org.ddogleg.nn.alg

Class AxisSplitRuleRandomK

java.lang.Object

org.ddogleg.nn.alg.AxisSplitRuleRandomK

All Implemented Interfaces:

AxisSplitRule

public class AxisSplitRuleRandomK
extends java.lang.Object
implements AxisSplitRule

Randomly selects the larger variances. The list is sorted so that the K largest variances are known. It then selects one of those randomly

Constructor Summary

Constructors

Constructor and Description
AxisSplitRuleRandomK(java.util.Random rand, int numConsiderSplit)

Method Summary

Modifier and Type	Method and Description
int	select(double[] variance) Selects the index for splitting using the provided variances.
void	setDimension(int N) Specifies the point's dimension

Methods inherited from class java.lang.Object

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

Constructor Detail

AxisSplitRuleRandomK

public AxisSplitRuleRandomK(java.util.Random rand,
                            int numConsiderSplit)

Parameters:

rand -

numConsiderSplit -

Method Detail

setDimension

public void setDimension(int N)

Description copied from interface: AxisSplitRule

Specifies the point's dimension

Specified by:

setDimension in interface AxisSplitRule

Parameters:

N - dimension

select

public int select(double[] variance)

Description copied from interface: AxisSplitRule

Selects the index for splitting using the provided variances. The input list can be modified.

Specified by:

select in interface AxisSplitRule

Parameters:

variance - List of variances for each dimension in the point

Returns:

The selected split axis