org.nd4j.linalg.ops.reduceops.scalarops

Class Variance

java.lang.Object

org.nd4j.linalg.ops.reduceops.scalarops.BaseScalarOp

org.nd4j.linalg.ops.reduceops.scalarops.Variance

All Implemented Interfaces:

com.google.common.base.Function<INDArray,Float>, ScalarOp

public class Variance
extends BaseScalarOp

Return the variance of an ndarray

Author:

Adam Gibson

Field Summary

Fields inherited from class org.nd4j.linalg.ops.reduceops.scalarops.BaseScalarOp

startingValue

Constructor Summary

Constructors

Constructor and Description
Variance()

Method Summary

Methods

Modifier and Type	Method and Description
float	accumulate(INDArray arr, int i, float soFar)
Float	apply(INDArray input)
float	var(INDArray arr) Variance (see: apache commons)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.google.common.base.Function

equals

Constructor Detail

Variance

public Variance()

Method Detail

var

public float var(INDArray arr)

Variance (see: apache commons)

Parameters:

arr - the ndarray to get the variance of

Returns:

the variance for this ndarray

apply

public Float apply(INDArray input)

Specified by:

apply in interface com.google.common.base.Function<INDArray,Float>

Overrides:

apply in class BaseScalarOp

accumulate

public float accumulate(INDArray arr,
               int i,
               float soFar)

Specified by:

accumulate in class BaseScalarOp