org.datavec.dataframe.reducing

Class NumericReduceUtils

java.lang.Object

org.datavec.dataframe.reducing.NumericReduceUtils

public class NumericReduceUtils
extends java.lang.Object

Contains common utilities for double and long types

Field Summary

Fields

Modifier and Type	Field and Description
static NumericReduceFunction	count A function that calculates the mean of the values in the column param
static NumericReduceFunction	geometricMean
static NumericReduceFunction	kurtosis
static NumericReduceFunction	max
static NumericReduceFunction	mean A function that calculates the mean of the values in the column param
static NumericReduceFunction	median
static NumericReduceFunction	min
static NumericReduceFunction	n
static NumericReduceFunction	percentile90
static NumericReduceFunction	percentile95
static NumericReduceFunction	percentile99
static NumericReduceFunction	populationVariance
static NumericReduceFunction	product
static NumericReduceFunction	quadraticMean Returns the quadratic mean, aka, the root-mean-square
static NumericReduceFunction	quartile1
static NumericReduceFunction	quartile3
static NumericReduceFunction	range
static NumericReduceFunction	skewness
static NumericReduceFunction	stdDev
static NumericReduceFunction	sum A function that calculates the sum of the values in the column param
static NumericReduceFunction	sumOfLogs
static NumericReduceFunction	sumOfSquares
static NumericReduceFunction	variance

Constructor Summary

Constructors

Constructor and Description
NumericReduceUtils()

Method Summary

Modifier and Type	Method and Description
static double	meanDifference(FloatColumn column1, FloatColumn column2)
static double	percentile(double[] data, double percentile)
static double	sumDifference(FloatColumn column1, FloatColumn column2)

Methods inherited from class java.lang.Object

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

Field Detail

count

public static NumericReduceFunction count

A function that calculates the mean of the values in the column param

mean

public static NumericReduceFunction mean

A function that calculates the mean of the values in the column param

sum

public static NumericReduceFunction sum

A function that calculates the sum of the values in the column param

median

public static NumericReduceFunction median

n

public static NumericReduceFunction n

quartile1

public static NumericReduceFunction quartile1

quartile3

public static NumericReduceFunction quartile3

percentile90

public static NumericReduceFunction percentile90

percentile95

public static NumericReduceFunction percentile95

percentile99

public static NumericReduceFunction percentile99

range

public static NumericReduceFunction range

min

public static NumericReduceFunction min

max

public static NumericReduceFunction max

product

public static NumericReduceFunction product

geometricMean

public static NumericReduceFunction geometricMean

populationVariance

public static NumericReduceFunction populationVariance

quadraticMean

public static NumericReduceFunction quadraticMean

Returns the quadratic mean, aka, the root-mean-square

kurtosis

public static NumericReduceFunction kurtosis

skewness

public static NumericReduceFunction skewness

sumOfSquares

public static NumericReduceFunction sumOfSquares

sumOfLogs

public static NumericReduceFunction sumOfLogs

variance

public static NumericReduceFunction variance

stdDev

public static NumericReduceFunction stdDev

Constructor Detail

NumericReduceUtils

public NumericReduceUtils()

Method Detail

percentile

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

meanDifference

public static double meanDifference(FloatColumn column1,
                                    FloatColumn column2)

sumDifference

public static double sumDifference(FloatColumn column1,
                                   FloatColumn column2)