water.util

Class MathUtils.BasicStats

java.lang.Object

water.Iced

water.util.MathUtils.BasicStats

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, Freezable

Enclosing class:

MathUtils

public static final class MathUtils.BasicStats
extends Iced

Wrapper around weighted paralell basic stats computation (mean, variance)

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
MathUtils.BasicStats(int n)

Method Summary

Methods

Modifier and Type	Method and Description
void	add(double[] x, double w)
double[]	mean()
long	nobs()
void	reduce(MathUtils.BasicStats bs)
double[]	sigma()
double[]	sigma(double[] res)
double[]	variance()
double[]	variance(double[] res)
double[]	wsum()

Methods inherited from class water.Iced

asBytes, clone, copyOver, frozenType, read, readExternal, readJSON, reloadFromBytes, toJsonString, write, writeExternal, writeJSON

Methods inherited from class java.lang.Object

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

Constructor Detail

MathUtils.BasicStats

public MathUtils.BasicStats(int n)

Method Detail

add

public void add(double[] x,
       double w)

reduce

public void reduce(MathUtils.BasicStats bs)

variance

public double[] variance(double[] res)

variance

public double[] variance()

sigma

public double[] sigma(double[] res)

sigma

public double[] sigma()

mean

public double[] mean()

nobs

public long nobs()

wsum

public double[] wsum()