Package com.illumon.iris.libs.primitives

Class DoubleNumericPrimitives

java.lang.Object

com.illumon.iris.libs.primitives.DoubleNumericPrimitives

public class DoubleNumericPrimitives
extends Object

A set of commonly used numeric functions that can be applied to Double types.

Constructor Summary

Constructors

Constructor	Description
DoubleNumericPrimitives()

Method Summary

Modifier and Type	Method	Description
static double	abs(double value)	Returns the absolute value.
static double	absAvg(double[] values)	Returns the mean of the absolute values of values.
static double	absAvg(DbDoubleArray values)	Returns the mean of the absolute values of values.
static double	absAvg(Double... values)	Returns the mean of the absolute values of values.
static double	acos(double value)	Returns the arc cosine.
static double	asin(double value)	Returns the arc sine.
static double	atan(double value)	Returns the arc tangent.
static double	avg(double[] values)	Returns the mean.
static double	avg(DbDoubleArray values)	Returns the mean.
static double	avg(Double... values)	Returns the mean.
static int	binSearchIndex(double[] values, double key, BinSearch choiceWhenEquals)	Performs a binary search to find a key.
static int	binSearchIndex(DbDoubleArray values, double key, BinSearch choiceWhenEquals)	Performs a binary search to find a key.
static double	ceil(double value)	Returns the ceiling.
static double	clamp(double value, double min, double max)	Constrains the value to be on the [min,max] range.
static double	cor(double[] values0, double[] values1)	Returns the correlation.
static double	cor(double[] values0, DbDoubleArray values1)	Returns the correlation.
static double	cor(DbDoubleArray values0, double[] values1)	Returns the correlation.
static double	cor(DbDoubleArray values0, DbDoubleArray values1)	Returns the correlation.
static double	cos(double value)	Returns the cosine.
static int	countNeg(double[] values)	Counts the number of negative values.
static int	countNeg(DbDoubleArray values)	Counts the number of negative values.
static int	countNeg(Double... values)	Counts the number of negative values.
static int	countPos(double[] values)	Counts the number of positive values.
static int	countPos(DbDoubleArray values)	Counts the number of positive values.
static int	countPos(Double... values)	Counts the number of positive values.
static int	countZero(double[] values)	Counts the number of zero values.
static int	countZero(DbDoubleArray values)	Counts the number of zero values.
static int	countZero(Double... values)	Counts the number of zero values.
static double	cov(double[] values0, double[] values1)	Returns the covariance.
static double	cov(double[] values0, DbDoubleArray values1)	Returns the covariance.
static double	cov(DbDoubleArray values0, double[] values1)	Returns the covariance.
static double	cov(DbDoubleArray values0, DbDoubleArray values1)	Returns the covariance.
static double[]	cumMax(double[] values)	Returns the cumulative max.
static double[]	cumMin(double[] values)	Returns the cumulative min.
static double[]	cumprod(double[] values)	Returns the cumulative product.
static double[]	cumprod(DbDoubleArray values)	Returns the cumulative product.
static double[]	cumprod(Double... values)	Returns the cumulative product.
static double[]	cumsum(double[] values)	Returns the cumulative sum.
static double[]	cumsum(DbDoubleArray values)	Returns the cumulative sum.
static double[]	cumsum(Double... values)	Returns the cumulative sum.
static double	exp(double value)	Returns Euler's number e raised to a power.
static int	firstIndexOf(double[] values, double val)	Returns the first index containing the value.
static int	firstIndexOf(DbDoubleArray values, double val)	Returns the first index containing the value.
static double	floor(double value)	Returns the floor.
static int	indexOfMax(double[] values)	Returns the index of the maximum value.
static int	indexOfMax(DbDoubleArray values)	Returns the index of the maximum value.
static int	indexOfMax(Double... values)	Returns the index of the maximum value.
static int	indexOfMin(double[] values)	Returns the index of the minimum value.
static int	indexOfMin(DbDoubleArray values)	Returns the index of the minimum value.
static int	indexOfMin(Double... values)	Returns the index of the minimum value.
static double	log(double value)	Returns the natural logarithm (base e).
static double	lowerBin(double value, double interval)	Returns the lower bound of the bin containing the value.
static double	lowerBin(double value, double interval, double offset)	Returns the lower bound of the bin containing the value.
static double	max(double[] values)	Returns the maximum.
static double	max(DbDoubleArray values)	Returns the maximum.
static double	max(Double... values)	Returns the maximum.
static double	median(double[] values)	Returns the median.
static double	median(DbDoubleArray values)	Returns the median.
static double	median(Double... values)	Returns the median.
static double	min(double[] values)	Returns the minimum.
static double	min(DbDoubleArray values)	Returns the minimum.
static double	min(Double... values)	Returns the minimum.
static double	percentile(double[] values, double percentile)	Returns the percentile.
static double	percentile(DbDoubleArray values, double percentile)	Returns the percentile.
static double	pow(double a, double b)	Returns the value of the first argument raised to the second argument.
static double	product(double[] values)	Returns the product.
static double	product(DbDoubleArray values)	Returns the product.
static int	rawBinSearchIndex(double[] values, double key, BinSearch choiceWhenEquals)	Performs a binary search to find a key.
static int	rawBinSearchIndex(DbDoubleArray values, double key, BinSearch choiceWhenEquals)	Performs a binary search to find a key.
static double	rint(double value)	Returns the integer closest to the input value.
static long	round(double value)	Returns the closest integer to the argument.
static double[]	sequence(double start, double end, double step)	Returns a sequence of values.
static double	signum(double value)	Returns the signum function.
static double	sin(double value)	Returns the sine.
static double[]	sort(double[] values)	Returns sorted values from smallest to largest.
static DbDoubleArray	sort(DbDoubleArray values)	Returns sorted values from smallest to largest.
static double[]	sort(Double... values)	Returns sorted values from smallest to largest.
static double[]	sortDescending(double[] values)	Returns sorted values from largest to smallest.
static DbDoubleArray	sortDescending(DbDoubleArray values)	Returns sorted values from largest to smallest.
static double[]	sortDescending(Double... values)	Returns sorted values from largest to smallest.
static double	sqrt(double value)	Returns the square root.
static double	std(double[] values)	Returns the standard deviation.
static double	std(DbDoubleArray values)	Returns the standard deviation.
static double	std(Double... values)	Returns the standard deviation.
static double	ste(double[] values)	Returns the standard error.
static double	ste(DbDoubleArray values)	Returns the standard error.
static double	ste(Double... values)	Returns the standard error.
static double	sum(double[] values)	Returns the sum.
static double[]	sum(double[]... values)	Returns the sum.
static double[]	sum(DbArray<double[]> values)	Returns the sum.
static double	sum(DbDoubleArray values)	Returns the sum.
static double	tan(double value)	Returns the tangent.
static double	tstat(double[] values)	Returns the t-statistic.
static double	tstat(DbDoubleArray values)	Returns the t-statistic.
static double	tstat(Double... values)	Returns the t-statistic.
static double	upperBin(double value, double interval)	Returns the upper bound of the bin containing the value.
static double	upperBin(double value, double interval, double offset)	Returns the upper bound of the bin containing the value.
static double	var(double[] values)	Returns the variance.
static double	var(DbDoubleArray values)	Returns the variance.
static double	var(Double... values)	Returns the variance.
static double	wavg(double[] values, double[] weights)	Returns the weighted average.
static double	wavg(double[] values, float[] weights)	Returns the weighted average.
static double	wavg(double[] values, int[] weights)	Returns the weighted average.
static double	wavg(double[] values, long[] weights)	Returns the weighted average.
static double	wavg(double[] values, short[] weights)	Returns the weighted average.
static double	wavg(double[] values, DbDoubleArray weights)	Returns the weighted average.
static double	wavg(double[] values, DbFloatArray weights)	Returns the weighted average.
static double	wavg(double[] values, DbIntArray weights)	Returns the weighted average.
static double	wavg(double[] values, DbLongArray weights)	Returns the weighted average.
static double	wavg(double[] values, DbShortArray weights)	Returns the weighted average.
static double	wavg(DbDoubleArray values, double[] weights)	Returns the weighted average.
static double	wavg(DbDoubleArray values, float[] weights)	Returns the weighted average.
static double	wavg(DbDoubleArray values, int[] weights)	Returns the weighted average.
static double	wavg(DbDoubleArray values, long[] weights)	Returns the weighted average.
static double	wavg(DbDoubleArray values, short[] weights)	Returns the weighted average.
static double	wavg(DbDoubleArray values, DbDoubleArray weights)	Returns the weighted average.
static double	wavg(DbDoubleArray values, DbFloatArray weights)	Returns the weighted average.
static double	wavg(DbDoubleArray values, DbIntArray weights)	Returns the weighted average.
static double	wavg(DbDoubleArray values, DbLongArray weights)	Returns the weighted average.
static double	wavg(DbDoubleArray values, DbShortArray weights)	Returns the weighted average.
static double	weightedAvg(double[] values, double[] weights)	Returns the weighted average.
static double	weightedAvg(double[] values, float[] weights)	Returns the weighted average.
static double	weightedAvg(double[] values, int[] weights)	Returns the weighted average.
static double	weightedAvg(double[] values, long[] weights)	Returns the weighted average.
static double	weightedAvg(double[] values, short[] weights)	Returns the weighted average.
static double	weightedAvg(double[] values, DbDoubleArray weights)	Returns the weighted average.
static double	weightedAvg(double[] values, DbFloatArray weights)	Returns the weighted average.
static double	weightedAvg(double[] values, DbIntArray weights)	Returns the weighted average.
static double	weightedAvg(double[] values, DbLongArray weights)	Returns the weighted average.
static double	weightedAvg(double[] values, DbShortArray weights)	Returns the weighted average.
static double	weightedAvg(DbDoubleArray values, double[] weights)	Returns the weighted average.
static double	weightedAvg(DbDoubleArray values, float[] weights)	Returns the weighted average.
static double	weightedAvg(DbDoubleArray values, int[] weights)	Returns the weighted average.
static double	weightedAvg(DbDoubleArray values, long[] weights)	Returns the weighted average.
static double	weightedAvg(DbDoubleArray values, short[] weights)	Returns the weighted average.
static double	weightedAvg(DbDoubleArray values, DbDoubleArray weights)	Returns the weighted average.
static double	weightedAvg(DbDoubleArray values, DbFloatArray weights)	Returns the weighted average.
static double	weightedAvg(DbDoubleArray values, DbIntArray weights)	Returns the weighted average.
static double	weightedAvg(DbDoubleArray values, DbLongArray weights)	Returns the weighted average.
static double	weightedAvg(DbDoubleArray values, DbShortArray weights)	Returns the weighted average.
static double	weightedSum(double[] values, double[] weights)	Returns the weighted sum.
static double	weightedSum(double[] values, float[] weights)	Returns the weighted sum.
static double	weightedSum(double[] values, int[] weights)	Returns the weighted sum.
static double	weightedSum(double[] values, long[] weights)	Returns the weighted sum.
static double	weightedSum(double[] values, short[] weights)	Returns the weighted sum.
static double	weightedSum(double[] values, DbDoubleArray weights)	Returns the weighted sum.
static double	weightedSum(double[] values, DbFloatArray weights)	Returns the weighted sum.
static double	weightedSum(double[] values, DbIntArray weights)	Returns the weighted sum.
static double	weightedSum(double[] values, DbLongArray weights)	Returns the weighted sum.
static double	weightedSum(double[] values, DbShortArray weights)	Returns the weighted sum.
static double	weightedSum(DbDoubleArray values, double[] weights)	Returns the weighted sum.
static double	weightedSum(DbDoubleArray values, float[] weights)	Returns the weighted sum.
static double	weightedSum(DbDoubleArray values, int[] weights)	Returns the weighted sum.
static double	weightedSum(DbDoubleArray values, long[] weights)	Returns the weighted sum.
static double	weightedSum(DbDoubleArray values, short[] weights)	Returns the weighted sum.
static double	weightedSum(DbDoubleArray values, DbDoubleArray weights)	Returns the weighted sum.
static double	weightedSum(DbDoubleArray values, DbFloatArray weights)	Returns the weighted sum.
static double	weightedSum(DbDoubleArray values, DbIntArray weights)	Returns the weighted sum.
static double	weightedSum(DbDoubleArray values, DbLongArray weights)	Returns the weighted sum.
static double	weightedSum(DbDoubleArray values, DbShortArray weights)	Returns the weighted sum.
static double	wstd(double[] values, double[] weights)	Returns the weighted standard deviation.
static double	wstd(double[] values, float[] weights)	Returns the weighted standard deviation.
static double	wstd(double[] values, int[] weights)	Returns the weighted standard deviation.
static double	wstd(double[] values, long[] weights)	Returns the weighted standard deviation.
static double	wstd(double[] values, short[] weights)	Returns the weighted standard deviation.
static double	wstd(double[] values, DbDoubleArray weights)	Returns the weighted standard deviation.
static double	wstd(double[] values, DbFloatArray weights)	Returns the weighted standard deviation.
static double	wstd(double[] values, DbIntArray weights)	Returns the weighted standard deviation.
static double	wstd(double[] values, DbLongArray weights)	Returns the weighted standard deviation.
static double	wstd(double[] values, DbShortArray weights)	Returns the weighted standard deviation.
static double	wstd(DbDoubleArray values, double[] weights)	Returns the weighted standard deviation.
static double	wstd(DbDoubleArray values, float[] weights)	Returns the weighted standard deviation.
static double	wstd(DbDoubleArray values, int[] weights)	Returns the weighted standard deviation.
static double	wstd(DbDoubleArray values, long[] weights)	Returns the weighted standard deviation.
static double	wstd(DbDoubleArray values, short[] weights)	Returns the weighted standard deviation.
static double	wstd(DbDoubleArray values, DbDoubleArray weights)	Returns the weighted standard deviation.
static double	wstd(DbDoubleArray values, DbFloatArray weights)	Returns the weighted standard deviation.
static double	wstd(DbDoubleArray values, DbIntArray weights)	Returns the weighted standard deviation.
static double	wstd(DbDoubleArray values, DbLongArray weights)	Returns the weighted standard deviation.
static double	wstd(DbDoubleArray values, DbShortArray weights)	Returns the weighted standard deviation.
static double	wste(double[] values, double[] weights)	Returns the weighted standard error.
static double	wste(double[] values, float[] weights)	Returns the weighted standard error.
static double	wste(double[] values, int[] weights)	Returns the weighted standard error.
static double	wste(double[] values, long[] weights)	Returns the weighted standard error.
static double	wste(double[] values, short[] weights)	Returns the weighted standard error.
static double	wste(double[] values, DbDoubleArray weights)	Returns the weighted standard error.
static double	wste(double[] values, DbFloatArray weights)	Returns the weighted standard error.
static double	wste(double[] values, DbIntArray weights)	Returns the weighted standard error.
static double	wste(double[] values, DbLongArray weights)	Returns the weighted standard error.
static double	wste(double[] values, DbShortArray weights)	Returns the weighted standard error.
static double	wste(DbDoubleArray values, double[] weights)	Returns the weighted standard error.
static double	wste(DbDoubleArray values, float[] weights)	Returns the weighted standard error.
static double	wste(DbDoubleArray values, int[] weights)	Returns the weighted standard error.
static double	wste(DbDoubleArray values, long[] weights)	Returns the weighted standard error.
static double	wste(DbDoubleArray values, short[] weights)	Returns the weighted standard error.
static double	wste(DbDoubleArray values, DbDoubleArray weights)	Returns the weighted standard error.
static double	wste(DbDoubleArray values, DbFloatArray weights)	Returns the weighted standard error.
static double	wste(DbDoubleArray values, DbIntArray weights)	Returns the weighted standard error.
static double	wste(DbDoubleArray values, DbLongArray weights)	Returns the weighted standard error.
static double	wste(DbDoubleArray values, DbShortArray weights)	Returns the weighted standard error.
static double	wsum(double[] values, double[] weights)	Returns the weighted sum.
static double	wsum(double[] values, float[] weights)	Returns the weighted sum.
static double	wsum(double[] values, int[] weights)	Returns the weighted sum.
static double	wsum(double[] values, long[] weights)	Returns the weighted sum.
static double	wsum(double[] values, short[] weights)	Returns the weighted sum.
static double	wsum(double[] values, DbDoubleArray weights)	Returns the weighted sum.
static double	wsum(double[] values, DbFloatArray weights)	Returns the weighted sum.
static double	wsum(double[] values, DbIntArray weights)	Returns the weighted sum.
static double	wsum(double[] values, DbLongArray weights)	Returns the weighted sum.
static double	wsum(double[] values, DbShortArray weights)	Returns the weighted sum.
static double	wsum(DbDoubleArray values, double[] weights)	Returns the weighted sum.
static double	wsum(DbDoubleArray values, float[] weights)	Returns the weighted sum.
static double	wsum(DbDoubleArray values, int[] weights)	Returns the weighted sum.
static double	wsum(DbDoubleArray values, long[] weights)	Returns the weighted sum.
static double	wsum(DbDoubleArray values, short[] weights)	Returns the weighted sum.
static double	wsum(DbDoubleArray values, DbDoubleArray weights)	Returns the weighted sum.
static double	wsum(DbDoubleArray values, DbFloatArray weights)	Returns the weighted sum.
static double	wsum(DbDoubleArray values, DbIntArray weights)	Returns the weighted sum.
static double	wsum(DbDoubleArray values, DbLongArray weights)	Returns the weighted sum.
static double	wsum(DbDoubleArray values, DbShortArray weights)	Returns the weighted sum.
static double	wtstat(double[] values, double[] weights)	Returns the weighted t-statistic.
static double	wtstat(double[] values, float[] weights)	Returns the weighted t-statistic.
static double	wtstat(double[] values, int[] weights)	Returns the weighted t-statistic.
static double	wtstat(double[] values, long[] weights)	Returns the weighted t-statistic.
static double	wtstat(double[] values, short[] weights)	Returns the weighted t-statistic.
static double	wtstat(double[] values, DbDoubleArray weights)	Returns the weighted t-statistic.
static double	wtstat(double[] values, DbFloatArray weights)	Returns the weighted t-statistic.
static double	wtstat(double[] values, DbIntArray weights)	Returns the weighted t-statistic.
static double	wtstat(double[] values, DbLongArray weights)	Returns the weighted t-statistic.
static double	wtstat(double[] values, DbShortArray weights)	Returns the weighted t-statistic.
static double	wtstat(DbDoubleArray values, double[] weights)	Returns the weighted t-statistic.
static double	wtstat(DbDoubleArray values, float[] weights)	Returns the weighted t-statistic.
static double	wtstat(DbDoubleArray values, int[] weights)	Returns the weighted t-statistic.
static double	wtstat(DbDoubleArray values, long[] weights)	Returns the weighted t-statistic.
static double	wtstat(DbDoubleArray values, short[] weights)	Returns the weighted t-statistic.
static double	wtstat(DbDoubleArray values, DbDoubleArray weights)	Returns the weighted t-statistic.
static double	wtstat(DbDoubleArray values, DbFloatArray weights)	Returns the weighted t-statistic.
static double	wtstat(DbDoubleArray values, DbIntArray weights)	Returns the weighted t-statistic.
static double	wtstat(DbDoubleArray values, DbLongArray weights)	Returns the weighted t-statistic.
static double	wtstat(DbDoubleArray values, DbShortArray weights)	Returns the weighted t-statistic.
static double	wvar(double[] values, double[] weights)	Returns the weighted variance.
static double	wvar(double[] values, float[] weights)	Returns the weighted variance.
static double	wvar(double[] values, int[] weights)	Returns the weighted variance.
static double	wvar(double[] values, long[] weights)	Returns the weighted variance.
static double	wvar(double[] values, short[] weights)	Returns the weighted variance.
static double	wvar(double[] values, DbDoubleArray weights)	Returns the weighted variance.
static double	wvar(double[] values, DbFloatArray weights)	Returns the weighted variance.
static double	wvar(double[] values, DbIntArray weights)	Returns the weighted variance.
static double	wvar(double[] values, DbLongArray weights)	Returns the weighted variance.
static double	wvar(double[] values, DbShortArray weights)	Returns the weighted variance.
static double	wvar(DbDoubleArray values, double[] weights)	Returns the weighted variance.
static double	wvar(DbDoubleArray values, float[] weights)	Returns the weighted variance.
static double	wvar(DbDoubleArray values, int[] weights)	Returns the weighted variance.
static double	wvar(DbDoubleArray values, long[] weights)	Returns the weighted variance.
static double	wvar(DbDoubleArray values, short[] weights)	Returns the weighted variance.
static double	wvar(DbDoubleArray values, DbDoubleArray weights)	Returns the weighted variance.
static double	wvar(DbDoubleArray values, DbFloatArray weights)	Returns the weighted variance.
static double	wvar(DbDoubleArray values, DbIntArray weights)	Returns the weighted variance.
static double	wvar(DbDoubleArray values, DbLongArray weights)	Returns the weighted variance.
static double	wvar(DbDoubleArray values, DbShortArray weights)	Returns the weighted variance.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

DoubleNumericPrimitives

public DoubleNumericPrimitives()

Method Details

countPos

public static int countPos(Double... values)

Counts the number of positive values.

Parameters:

values - values.

Returns:

number of positive values.

countPos

public static int countPos(double[] values)

Counts the number of positive values.

Parameters:

values - values.

Returns:

number of positive values.

countPos

public static int countPos(DbDoubleArray values)

Counts the number of positive values.

Parameters:

values - values.

Returns:

number of positive values.

countNeg

public static int countNeg(Double... values)

Counts the number of negative values.

Parameters:

values - values.

Returns:

number of negative values.

countNeg

public static int countNeg(double[] values)

Counts the number of negative values.

Parameters:

values - values.

Returns:

number of negative values.

countNeg

public static int countNeg(DbDoubleArray values)

Counts the number of negative values.

Parameters:

values - values.

Returns:

number of negative values.

countZero

public static int countZero(Double... values)

Counts the number of zero values.

Parameters:

values - values.

Returns:

number of zero values.

countZero

public static int countZero(double[] values)

Counts the number of zero values.

Parameters:

values - values.

Returns:

number of zero values.

countZero

public static int countZero(DbDoubleArray values)

Counts the number of zero values.

Parameters:

values - values.

Returns:

number of zero values.

avg

public static double avg(Double... values)

Returns the mean. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

mean of non-null values.

avg

public static double avg(double[] values)

Returns the mean. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

mean of non-null values.

avg

public static double avg(DbDoubleArray values)

Returns the mean. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

mean of non-null values.

absAvg

public static double absAvg(Double... values)

Returns the mean of the absolute values of values. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

mean of the absolute value of non-null values.

absAvg

public static double absAvg(double[] values)

Returns the mean of the absolute values of values. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

mean of the absolute value of non-null values.

absAvg

public static double absAvg(DbDoubleArray values)

Returns the mean of the absolute values of values. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

mean of the absolute value of non-null values.

var

public static double var(Double... values)

Returns the variance. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

variance of non-null values.

var

public static double var(double[] values)

Returns the variance. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

variance of non-null values.

var

public static double var(DbDoubleArray values)

Returns the variance. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

variance of non-null values.

wvar

public static double wvar(double[] values,
 DbDoubleArray weights)

Returns the weighted variance. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted variance of non-null values.

wvar

public static double wvar(DbDoubleArray values,
 double[] weights)

Returns the weighted variance. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted variance of non-null values.

wvar

public static double wvar(double[] values,
 double[] weights)

Returns the weighted variance. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted variance of non-null values.

wvar

public static double wvar(DbDoubleArray values,
 DbDoubleArray weights)

Returns the weighted variance. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted variance of non-null values.

wvar

public static double wvar(double[] values,
 DbFloatArray weights)

Returns the weighted variance. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted variance of non-null values.

wvar

public static double wvar(DbDoubleArray values,
 float[] weights)

Returns the weighted variance. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted variance of non-null values.

wvar

public static double wvar(double[] values,
 float[] weights)

Returns the weighted variance. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted variance of non-null values.

wvar

public static double wvar(DbDoubleArray values,
 DbFloatArray weights)

Returns the weighted variance. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted variance of non-null values.

wvar

public static double wvar(double[] values,
 DbShortArray weights)

Returns the weighted variance. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted variance of non-null values.

wvar

public static double wvar(DbDoubleArray values,
 short[] weights)

Returns the weighted variance. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted variance of non-null values.

wvar

public static double wvar(double[] values,
 short[] weights)

Returns the weighted variance. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted variance of non-null values.

wvar

public static double wvar(DbDoubleArray values,
 DbShortArray weights)

Returns the weighted variance. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted variance of non-null values.

wvar

public static double wvar(double[] values,
 DbIntArray weights)

Returns the weighted variance. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted variance of non-null values.

wvar

public static double wvar(DbDoubleArray values,
 int[] weights)

Returns the weighted variance. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted variance of non-null values.

wvar

public static double wvar(double[] values,
 int[] weights)

Returns the weighted variance. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted variance of non-null values.

wvar

public static double wvar(DbDoubleArray values,
 DbIntArray weights)

Returns the weighted variance. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted variance of non-null values.

wvar

public static double wvar(double[] values,
 DbLongArray weights)

Returns the weighted variance. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted variance of non-null values.

wvar

public static double wvar(DbDoubleArray values,
 long[] weights)

Returns the weighted variance. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted variance of non-null values.

wvar

public static double wvar(double[] values,
 long[] weights)

Returns the weighted variance. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted variance of non-null values.

wvar

public static double wvar(DbDoubleArray values,
 DbLongArray weights)

Returns the weighted variance. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted variance of non-null values.

std

public static double std(Double... values)

Returns the standard deviation. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

standard deviation of non-null values.

std

public static double std(double[] values)

Returns the standard deviation. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

standard deviation of non-null values.

std

public static double std(DbDoubleArray values)

Returns the standard deviation. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

standard deviation of non-null values.

wstd

public static double wstd(double[] values,
 DbDoubleArray weights)

Returns the weighted standard deviation. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard deviation of non-null values.

wstd

public static double wstd(DbDoubleArray values,
 double[] weights)

Returns the weighted standard deviation. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard deviation of non-null values.

wstd

public static double wstd(double[] values,
 double[] weights)

Returns the weighted standard deviation. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard deviation of non-null values.

wstd

public static double wstd(DbDoubleArray values,
 DbDoubleArray weights)

Returns the weighted standard deviation. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard deviation of non-null values.

wstd

public static double wstd(double[] values,
 DbFloatArray weights)

Returns the weighted standard deviation. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard deviation of non-null values.

wstd

public static double wstd(DbDoubleArray values,
 float[] weights)

Returns the weighted standard deviation. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard deviation of non-null values.

wstd

public static double wstd(double[] values,
 float[] weights)

Returns the weighted standard deviation. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard deviation of non-null values.

wstd

public static double wstd(DbDoubleArray values,
 DbFloatArray weights)

Returns the weighted standard deviation. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard deviation of non-null values.

wstd

public static double wstd(double[] values,
 DbShortArray weights)

Returns the weighted standard deviation. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard deviation of non-null values.

wstd

public static double wstd(DbDoubleArray values,
 short[] weights)

Returns the weighted standard deviation. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard deviation of non-null values.

wstd

public static double wstd(double[] values,
 short[] weights)

Returns the weighted standard deviation. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard deviation of non-null values.

wstd

public static double wstd(DbDoubleArray values,
 DbShortArray weights)

Returns the weighted standard deviation. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard deviation of non-null values.

wstd

public static double wstd(double[] values,
 DbIntArray weights)

Returns the weighted standard deviation. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard deviation of non-null values.

wstd

public static double wstd(DbDoubleArray values,
 int[] weights)

Returns the weighted standard deviation. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard deviation of non-null values.

wstd

public static double wstd(double[] values,
 int[] weights)

Returns the weighted standard deviation. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard deviation of non-null values.

wstd

public static double wstd(DbDoubleArray values,
 DbIntArray weights)

Returns the weighted standard deviation. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard deviation of non-null values.

wstd

public static double wstd(double[] values,
 DbLongArray weights)

Returns the weighted standard deviation. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard deviation of non-null values.

wstd

public static double wstd(DbDoubleArray values,
 long[] weights)

Returns the weighted standard deviation. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard deviation of non-null values.

wstd

public static double wstd(double[] values,
 long[] weights)

Returns the weighted standard deviation. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard deviation of non-null values.

wstd

public static double wstd(DbDoubleArray values,
 DbLongArray weights)

Returns the weighted standard deviation. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard deviation of non-null values.

ste

public static double ste(Double... values)

Returns the standard error. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

standard error of non-null values.

ste

public static double ste(double[] values)

Returns the standard error. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

standard error of non-null values.

ste

public static double ste(DbDoubleArray values)

Returns the standard error. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

standard error of non-null values.

wste

public static double wste(double[] values,
 DbDoubleArray weights)

Returns the weighted standard error. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard error of non-null values.

wste

public static double wste(DbDoubleArray values,
 double[] weights)

Returns the weighted standard error. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard error of non-null values.

wste

public static double wste(double[] values,
 double[] weights)

Returns the weighted standard error. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard error of non-null values.

wste

public static double wste(DbDoubleArray values,
 DbDoubleArray weights)

Returns the weighted standard error. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard error of non-null values.

wste

public static double wste(double[] values,
 DbFloatArray weights)

Returns the weighted standard error. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard error of non-null values.

wste

public static double wste(DbDoubleArray values,
 float[] weights)

Returns the weighted standard error. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard error of non-null values.

wste

public static double wste(double[] values,
 float[] weights)

Returns the weighted standard error. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard error of non-null values.

wste

public static double wste(DbDoubleArray values,
 DbFloatArray weights)

Returns the weighted standard error. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard error of non-null values.

wste

public static double wste(double[] values,
 DbShortArray weights)

Returns the weighted standard error. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard error of non-null values.

wste

public static double wste(DbDoubleArray values,
 short[] weights)

Returns the weighted standard error. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard error of non-null values.

wste

public static double wste(double[] values,
 short[] weights)

Returns the weighted standard error. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard error of non-null values.

wste

public static double wste(DbDoubleArray values,
 DbShortArray weights)

Returns the weighted standard error. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard error of non-null values.

wste

public static double wste(double[] values,
 DbIntArray weights)

Returns the weighted standard error. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard error of non-null values.

wste

public static double wste(DbDoubleArray values,
 int[] weights)

Returns the weighted standard error. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard error of non-null values.

wste

public static double wste(double[] values,
 int[] weights)

Returns the weighted standard error. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard error of non-null values.

wste

public static double wste(DbDoubleArray values,
 DbIntArray weights)

Returns the weighted standard error. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard error of non-null values.

wste

public static double wste(double[] values,
 DbLongArray weights)

Returns the weighted standard error. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard error of non-null values.

wste

public static double wste(DbDoubleArray values,
 long[] weights)

Returns the weighted standard error. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard error of non-null values.

wste

public static double wste(double[] values,
 long[] weights)

Returns the weighted standard error. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard error of non-null values.

wste

public static double wste(DbDoubleArray values,
 DbLongArray weights)

Returns the weighted standard error. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted standard error of non-null values.

tstat

public static double tstat(Double... values)

Returns the t-statistic. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

t-statistic of non-null values.

tstat

public static double tstat(double[] values)

Returns the t-statistic. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

t-statistic of non-null values.

tstat

public static double tstat(DbDoubleArray values)

Returns the t-statistic. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

t-statistic of non-null values.

wtstat

public static double wtstat(double[] values,
 DbDoubleArray weights)

Returns the weighted t-statistic. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted t-statistic of non-null values.

wtstat

public static double wtstat(DbDoubleArray values,
 double[] weights)

Returns the weighted t-statistic. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted t-statistic of non-null values.

wtstat

public static double wtstat(double[] values,
 double[] weights)

Returns the weighted t-statistic. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted t-statistic of non-null values.

wtstat

public static double wtstat(DbDoubleArray values,
 DbDoubleArray weights)

Returns the weighted t-statistic. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted t-statistic of non-null values.

wtstat

public static double wtstat(double[] values,
 DbFloatArray weights)

Returns the weighted t-statistic. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted t-statistic of non-null values.

wtstat

public static double wtstat(DbDoubleArray values,
 float[] weights)

Returns the weighted t-statistic. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted t-statistic of non-null values.

wtstat

public static double wtstat(double[] values,
 float[] weights)

Returns the weighted t-statistic. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted t-statistic of non-null values.

wtstat

public static double wtstat(DbDoubleArray values,
 DbFloatArray weights)

Returns the weighted t-statistic. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted t-statistic of non-null values.

wtstat

public static double wtstat(double[] values,
 DbShortArray weights)

Returns the weighted t-statistic. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted t-statistic of non-null values.

wtstat

public static double wtstat(DbDoubleArray values,
 short[] weights)

Returns the weighted t-statistic. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted t-statistic of non-null values.

wtstat

public static double wtstat(double[] values,
 short[] weights)

Returns the weighted t-statistic. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted t-statistic of non-null values.

wtstat

public static double wtstat(DbDoubleArray values,
 DbShortArray weights)

Returns the weighted t-statistic. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted t-statistic of non-null values.

wtstat

public static double wtstat(double[] values,
 DbIntArray weights)

Returns the weighted t-statistic. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted t-statistic of non-null values.

wtstat

public static double wtstat(DbDoubleArray values,
 int[] weights)

Returns the weighted t-statistic. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted t-statistic of non-null values.

wtstat

public static double wtstat(double[] values,
 int[] weights)

Returns the weighted t-statistic. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted t-statistic of non-null values.

wtstat

public static double wtstat(DbDoubleArray values,
 DbIntArray weights)

Returns the weighted t-statistic. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted t-statistic of non-null values.

wtstat

public static double wtstat(double[] values,
 DbLongArray weights)

Returns the weighted t-statistic. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted t-statistic of non-null values.

wtstat

public static double wtstat(DbDoubleArray values,
 long[] weights)

Returns the weighted t-statistic. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted t-statistic of non-null values.

wtstat

public static double wtstat(double[] values,
 long[] weights)

Returns the weighted t-statistic. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted t-statistic of non-null values.

wtstat

public static double wtstat(DbDoubleArray values,
 DbLongArray weights)

Returns the weighted t-statistic. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted t-statistic of non-null values.

max

public static double max(DbDoubleArray values)

Returns the maximum. Null and NaN values are excluded.

Parameters:

values - values.

Returns:

maximum of non-null, non-NaN values.

max

public static double max(double[] values)

Returns the maximum. Null and NaN values are excluded.

Parameters:

values - values.

Returns:

maximum of non-null, non-NaN values.

max

public static double max(Double... values)

Returns the maximum. Null and NaN values are excluded.

Parameters:

values - values.

Returns:

maximum of non-null, non-NaN values.

min

public static double min(DbDoubleArray values)

Returns the minimum. Null and NaN values are excluded.

Parameters:

values - values.

Returns:

minimum of non-null, non-NaN values.

min

public static double min(double[] values)

Returns the minimum. Null and NaN values are excluded.

Parameters:

values - values.

Returns:

minimum of non-null, non-NaN values.

min

public static double min(Double... values)

Returns the minimum. Null and NaN values are excluded.

Parameters:

values - values.

Returns:

minimum of non-null, non-NaN values.

median

public static double median(Double... values)

Returns the median.

Parameters:

values - values.

Returns:

median.

median

public static double median(double[] values)

Returns the median.

Parameters:

values - values.

Returns:

median.

median

public static double median(DbDoubleArray values)

Returns the median.

Parameters:

values - values.

Returns:

median.

percentile

public static double percentile(double[] values,
 double percentile)

Returns the percentile.

Parameters:

values - values.

percentile - percentile to compute.

Returns:

percentile.

percentile

public static double percentile(DbDoubleArray values,
 double percentile)

Returns the percentile.

Parameters:

values - values.

percentile - percentile to compute.

Returns:

percentile.

firstIndexOf

public static int firstIndexOf(double[] values,
 double val)

Returns the first index containing the value.

Parameters:

values - values.

val - value to search for.

Returns:

first index containing the value or null, if the value is not present.

firstIndexOf

public static int firstIndexOf(DbDoubleArray values,
 double val)

Returns the first index containing the value.

Parameters:

values - values.

val - value to search for.

Returns:

first index containing the value or null, if the value is not present.

indexOfMax

public static int indexOfMax(Double... values)

Returns the index of the maximum value.

Parameters:

values - values.

Returns:

index of the maximum value.

indexOfMax

public static int indexOfMax(double[] values)

Returns the index of the maximum value.

Parameters:

values - values.

Returns:

index of the maximum value.

indexOfMax

public static int indexOfMax(DbDoubleArray values)

Returns the index of the maximum value.

Parameters:

values - values.

Returns:

index of the maximum value.

indexOfMin

public static int indexOfMin(Double... values)

Returns the index of the minimum value.

Parameters:

values - values.

Returns:

index of the minimum value.

indexOfMin

public static int indexOfMin(double[] values)

Returns the index of the minimum value.

Parameters:

values - values.

Returns:

index of the minimum value.

indexOfMin

public static int indexOfMin(DbDoubleArray values)

Returns the index of the minimum value.

Parameters:

values - values.

Returns:

index of the minimum value.

binSearchIndex

public static int binSearchIndex(double[] values,
 double key,
 BinSearch choiceWhenEquals)

Performs a binary search to find a key.

Parameters:

values - sorted values to search.

key - key to search for.

choiceWhenEquals - algorithm used to resolve ties when performing a binary search.

Returns:

index of the search key, if it is contained in the array; otherwise, the index of where the key would be inserted.

binSearchIndex

public static int binSearchIndex(DbDoubleArray values,
 double key,
 BinSearch choiceWhenEquals)

Performs a binary search to find a key.

Parameters:

values - sorted values to search.

key - key to search for.

choiceWhenEquals - algorithm used to resolve ties when performing a binary search.

Returns:

index of the search key, if it is contained in the array; otherwise, the index of where the key would be inserted.

rawBinSearchIndex

public static int rawBinSearchIndex(double[] values,
 double key,
 BinSearch choiceWhenEquals)

Performs a binary search to find a key.

Parameters:

values - sorted values to search.

key - key to search for.

choiceWhenEquals - algorithm used to resolve ties when performing a binary search.

Returns:

index of the search key, if it is contained in the array; otherwise, (-(insertion point) - 1).

rawBinSearchIndex

public static int rawBinSearchIndex(DbDoubleArray values,
 double key,
 BinSearch choiceWhenEquals)

Performs a binary search to find a key.

Parameters:

values - sorted values to search.

key - key to search for.

choiceWhenEquals - algorithm used to resolve ties when performing a binary search.

Returns:

index of the search key, if it is contained in the array; otherwise, (-(insertion point) - 1).

cov

public static double cov(double[] values0,
 DbDoubleArray values1)

Returns the covariance. Null values are excluded. NaN values are included.

Parameters:

values0 - 1st set of values.

values1 - 2nd set of values.

Returns:

covariance of non-null values.

cov

public static double cov(DbDoubleArray values0,
 double[] values1)

Returns the covariance. Null values are excluded. NaN values are included.

Parameters:

values0 - 1st set of values.

values1 - 2nd set of values.

Returns:

covariance of non-null values.

cov

public static double cov(double[] values0,
 double[] values1)

Returns the covariance. Null values are excluded. NaN values are included.

Parameters:

values0 - 1st set of values.

values1 - 2nd set of values.

Returns:

covariance of non-null values.

cov

public static double cov(DbDoubleArray values0,
 DbDoubleArray values1)

Returns the covariance. Null values are excluded. NaN values are included.

Parameters:

values0 - 1st set of values.

values1 - 2nd set of values.

Returns:

covariance of non-null values.

cor

public static double cor(double[] values0,
 DbDoubleArray values1)

Returns the correlation. Null values are excluded. NaN values are included.

Parameters:

values0 - 1st set of values.

values1 - 2nd set of values.

Returns:

correlation of non-null values.

cor

public static double cor(DbDoubleArray values0,
 double[] values1)

Returns the correlation. Null values are excluded. NaN values are included.

Parameters:

values0 - 1st set of values.

values1 - 2nd set of values.

Returns:

correlation of non-null values.

cor

public static double cor(double[] values0,
 double[] values1)

Returns the correlation. Null values are excluded. NaN values are included.

Parameters:

values0 - 1st set of values.

values1 - 2nd set of values.

Returns:

correlation of non-null values.

cor

public static double cor(DbDoubleArray values0,
 DbDoubleArray values1)

Returns the correlation. Null values are excluded. NaN values are included.

Parameters:

values0 - 1st set of values.

values1 - 2nd set of values.

Returns:

correlation of non-null values.

sum

public static double sum(DbDoubleArray values)

Returns the sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

sum of non-null values.

sum

public static double sum(double[] values)

Returns the sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

sum of non-null values.

sum

public static double[] sum(DbArray<double[]> values)

Returns the sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

array of sums of non-null values.

sum

public static double[] sum(double[]... values)

Returns the sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

array of sums of non-null values.

product

public static double product(DbDoubleArray values)

Returns the product. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

product of non-null values.

product

public static double product(double[] values)

Returns the product. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

product of non-null values.

cumMin

public static double[] cumMin(double[] values)

Returns the cumulative min. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

cumulative sum of non-null values.

cumMax

public static double[] cumMax(double[] values)

Returns the cumulative max. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

cumulative sum of non-null values.

cumsum

public static double[] cumsum(Double... values)

Returns the cumulative sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

cumulative sum of non-null values.

cumsum

public static double[] cumsum(double[] values)

Returns the cumulative sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

cumulative sum of non-null values.

cumsum

public static double[] cumsum(DbDoubleArray values)

Returns the cumulative sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

cumulative sum of non-null values.

cumprod

public static double[] cumprod(Double... values)

Returns the cumulative product. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

cumulative product of non-null values.

cumprod

public static double[] cumprod(double[] values)

Returns the cumulative product. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

cumulative product of non-null values.

cumprod

public static double[] cumprod(DbDoubleArray values)

Returns the cumulative product. Null values are excluded. NaN values are included.

Parameters:

values - values.

Returns:

cumulative product of non-null values.

abs

public static double abs(double value)

Returns the absolute value.

Parameters:

value - value.

Returns:

absolute value.

acos

public static double acos(double value)

Returns the arc cosine.

Parameters:

value - value.

Returns:

arc cosine.

asin

public static double asin(double value)

Returns the arc sine.

Parameters:

value - value.

Returns:

arc sine.

atan

public static double atan(double value)

Returns the arc tangent.

Parameters:

value - value.

Returns:

arc tangent.

ceil

public static double ceil(double value)

Returns the ceiling. This is the smallest integer, which is greater than or equal to the value.

Parameters:

value - value.

Returns:

ceiling.

cos

public static double cos(double value)

Returns the cosine.

Parameters:

value - value.

Returns:

cosine.

exp

public static double exp(double value)

Returns Euler's number e raised to a power.

Parameters:

value - value.

Returns:

Euler's number e raised to a power.

floor

public static double floor(double value)

Returns the floor. This is the largest integer, which is less than or equal to the value.

Parameters:

value - value.

Returns:

floor.

log

public static double log(double value)

Returns the natural logarithm (base e).

Parameters:

value - value.

Returns:

natural logarithm (base e).

pow

public static double pow(double a,
 double b)

Returns the value of the first argument raised to the second argument.

Parameters:

a - the base.

b - the exponent.

Returns:

a raised to the b power.

rint

public static double rint(double value)

Returns the integer closest to the input value.

Parameters:

value - value.

Returns:

integer closes to the input value.

round

public static long round(double value)

Returns the closest integer to the argument. If the argument is NaN, the result is 0. If the argument is greater than Integer.MIN_VALUE, Integer.MIN_VALUE is returned. If the argument is less than Integer.MAX_VALUE, Integer.MAX_VALUE is returned.

Parameters:

value - value.

signum

public static double signum(double value)

Returns the signum function.

Parameters:

value - value.

Returns:

signum function.

sin

public static double sin(double value)

Returns the sine.

Parameters:

value - value.

Returns:

sine.

sqrt

public static double sqrt(double value)

Returns the square root.

Parameters:

value - value.

Returns:

square root.

tan

public static double tan(double value)

Returns the tangent.

Parameters:

value - value.

Returns:

tangent.

lowerBin

public static double lowerBin(double value,
 double interval)

Returns the lower bound of the bin containing the value.

Parameters:

value - value.

interval - bin width.

Returns:

lower bound of the bin containing the value.

lowerBin

public static double lowerBin(double value,
 double interval,
 double offset)

Returns the lower bound of the bin containing the value.

Parameters:

value - value.

interval - bin width.

offset - interval offset

Returns:

lower bound of the bin containing the value.

upperBin

public static double upperBin(double value,
 double interval)

Returns the upper bound of the bin containing the value.

Parameters:

value - value.

interval - bin width.

Returns:

upper bound of the bin containing the value.

upperBin

public static double upperBin(double value,
 double interval,
 double offset)

Returns the upper bound of the bin containing the value.

Parameters:

value - value.

interval - bin width.

offset - interval offset

Returns:

upper bound of the bin containing the value.

clamp

public static double clamp(double value,
 double min,
 double max)

Constrains the value to be on the [min,max] range. If the value is less than min, min is returned. If the value is greater than max, max is returned.

Parameters:

value - value.

min - minimum value.

max - maximum value.

Returns:

value constrained to be in the [min,max] range.

wsum

public static double wsum(double[] values,
 DbDoubleArray weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

weightedSum

public static double weightedSum(double[] values,
 DbDoubleArray weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

wsum

public static double wsum(DbDoubleArray values,
 double[] weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

weightedSum

public static double weightedSum(DbDoubleArray values,
 double[] weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

wsum

public static double wsum(double[] values,
 double[] weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

weightedSum

public static double weightedSum(double[] values,
 double[] weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

wsum

public static double wsum(DbDoubleArray values,
 DbDoubleArray weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

weightedSum

public static double weightedSum(DbDoubleArray values,
 DbDoubleArray weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

wsum

public static double wsum(double[] values,
 DbFloatArray weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

weightedSum

public static double weightedSum(double[] values,
 DbFloatArray weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

wsum

public static double wsum(DbDoubleArray values,
 float[] weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

weightedSum

public static double weightedSum(DbDoubleArray values,
 float[] weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

wsum

public static double wsum(double[] values,
 float[] weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

weightedSum

public static double weightedSum(double[] values,
 float[] weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

wsum

public static double wsum(DbDoubleArray values,
 DbFloatArray weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

weightedSum

public static double weightedSum(DbDoubleArray values,
 DbFloatArray weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

wsum

public static double wsum(double[] values,
 DbLongArray weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

weightedSum

public static double weightedSum(double[] values,
 DbLongArray weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

wsum

public static double wsum(DbDoubleArray values,
 long[] weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

weightedSum

public static double weightedSum(DbDoubleArray values,
 long[] weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

wsum

public static double wsum(double[] values,
 long[] weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

weightedSum

public static double weightedSum(double[] values,
 long[] weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

wsum

public static double wsum(DbDoubleArray values,
 DbLongArray weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

weightedSum

public static double weightedSum(DbDoubleArray values,
 DbLongArray weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

wsum

public static double wsum(double[] values,
 DbIntArray weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

weightedSum

public static double weightedSum(double[] values,
 DbIntArray weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

wsum

public static double wsum(DbDoubleArray values,
 int[] weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

weightedSum

public static double weightedSum(DbDoubleArray values,
 int[] weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

wsum

public static double wsum(double[] values,
 int[] weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

weightedSum

public static double weightedSum(double[] values,
 int[] weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

wsum

public static double wsum(DbDoubleArray values,
 DbIntArray weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

weightedSum

public static double weightedSum(DbDoubleArray values,
 DbIntArray weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

wsum

public static double wsum(double[] values,
 DbShortArray weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

weightedSum

public static double weightedSum(double[] values,
 DbShortArray weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

wsum

public static double wsum(DbDoubleArray values,
 short[] weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

weightedSum

public static double weightedSum(DbDoubleArray values,
 short[] weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

wsum

public static double wsum(double[] values,
 short[] weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

weightedSum

public static double weightedSum(double[] values,
 short[] weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

wsum

public static double wsum(DbDoubleArray values,
 DbShortArray weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

weightedSum

public static double weightedSum(DbDoubleArray values,
 DbShortArray weights)

Returns the weighted sum. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted sum of non-null values.

wavg

public static double wavg(double[] values,
 DbDoubleArray weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

weightedAvg

public static double weightedAvg(double[] values,
 DbDoubleArray weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

wavg

public static double wavg(DbDoubleArray values,
 double[] weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

weightedAvg

public static double weightedAvg(DbDoubleArray values,
 double[] weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

wavg

public static double wavg(double[] values,
 double[] weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

weightedAvg

public static double weightedAvg(double[] values,
 double[] weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

wavg

public static double wavg(DbDoubleArray values,
 DbDoubleArray weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

weightedAvg

public static double weightedAvg(DbDoubleArray values,
 DbDoubleArray weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

wavg

public static double wavg(double[] values,
 DbFloatArray weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

weightedAvg

public static double weightedAvg(double[] values,
 DbFloatArray weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

wavg

public static double wavg(DbDoubleArray values,
 float[] weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

weightedAvg

public static double weightedAvg(DbDoubleArray values,
 float[] weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

wavg

public static double wavg(double[] values,
 float[] weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

weightedAvg

public static double weightedAvg(double[] values,
 float[] weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

wavg

public static double wavg(DbDoubleArray values,
 DbFloatArray weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

weightedAvg

public static double weightedAvg(DbDoubleArray values,
 DbFloatArray weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

wavg

public static double wavg(double[] values,
 DbLongArray weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

weightedAvg

public static double weightedAvg(double[] values,
 DbLongArray weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

wavg

public static double wavg(DbDoubleArray values,
 long[] weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

weightedAvg

public static double weightedAvg(DbDoubleArray values,
 long[] weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

wavg

public static double wavg(double[] values,
 long[] weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

weightedAvg

public static double weightedAvg(double[] values,
 long[] weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

wavg

public static double wavg(DbDoubleArray values,
 DbLongArray weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

weightedAvg

public static double weightedAvg(DbDoubleArray values,
 DbLongArray weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

wavg

public static double wavg(double[] values,
 DbIntArray weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

weightedAvg

public static double weightedAvg(double[] values,
 DbIntArray weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

wavg

public static double wavg(DbDoubleArray values,
 int[] weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

weightedAvg

public static double weightedAvg(DbDoubleArray values,
 int[] weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

wavg

public static double wavg(double[] values,
 int[] weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

weightedAvg

public static double weightedAvg(double[] values,
 int[] weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

wavg

public static double wavg(DbDoubleArray values,
 DbIntArray weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

weightedAvg

public static double weightedAvg(DbDoubleArray values,
 DbIntArray weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

wavg

public static double wavg(double[] values,
 DbShortArray weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

weightedAvg

public static double weightedAvg(double[] values,
 DbShortArray weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

wavg

public static double wavg(DbDoubleArray values,
 short[] weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

weightedAvg

public static double weightedAvg(DbDoubleArray values,
 short[] weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

wavg

public static double wavg(double[] values,
 short[] weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

weightedAvg

public static double weightedAvg(double[] values,
 short[] weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

wavg

public static double wavg(DbDoubleArray values,
 DbShortArray weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

weightedAvg

public static double weightedAvg(DbDoubleArray values,
 DbShortArray weights)

Returns the weighted average. Null values are excluded. NaN values are included.

Parameters:

values - values.

weights - weights

Returns:

weighted average of non-null values.

sort

public static DbDoubleArray sort(DbDoubleArray values)

Returns sorted values from smallest to largest.

Parameters:

values - values.

Returns:

sorted values.

sort

public static double[] sort(double[] values)

Returns sorted values from smallest to largest.

Parameters:

values - values.

Returns:

sorted values.

sort

public static double[] sort(Double... values)

Returns sorted values from smallest to largest.

Parameters:

values - values.

Returns:

sorted values.

sortDescending

public static DbDoubleArray sortDescending(DbDoubleArray values)

Returns sorted values from largest to smallest.

Parameters:

values - values.

Returns:

sorted values.

sortDescending

public static double[] sortDescending(double[] values)

Returns sorted values from largest to smallest.

Parameters:

values - values.

Returns:

sorted values.

sortDescending

public static double[] sortDescending(Double... values)

Returns sorted values from largest to smallest.

Parameters:

values - values.

Returns:

sorted values.

sequence

public static double[] sequence(double start,
 double end,
 double step)

Returns a sequence of values.

Parameters:

start - starting value.

end - terminal value.

step - step size.

Returns:

sequence of values from start to end.