hex.singlenoderf

Class VariableImportance.TreeVotes

java.lang.Object

water.Iced

hex.singlenoderf.VariableImportance.TreeMeasures<VariableImportance.TreeVotes>

hex.singlenoderf.VariableImportance.TreeVotes

All Implemented Interfaces:

java.lang.Cloneable, Freezable

Enclosing class:

VariableImportance

public static class VariableImportance.TreeVotes
extends VariableImportance.TreeMeasures<VariableImportance.TreeVotes>

A class holding tree votes.

Field Summary

Fields inherited from class hex.singlenoderf.VariableImportance.TreeMeasures

_nrows, _ntrees

Constructor Summary

Constructors

Constructor and Description
VariableImportance.TreeVotes(int initialCapacity)
VariableImportance.TreeVotes(long[] votes, long[] nrows, int ntrees)

Method Summary

Methods

Modifier and Type	Method and Description
double	accuracy(int tidx) Returns accuracy per individual trees.
VariableImportance.TreeVotes	append(long rightVotes, long allRows) Append a tree votes to a list of trees.
VariableImportance.TreeVotes	append(VariableImportance.TreeVotes tv)
double[]	imp(VariableImportance.TreeVotes right) Compute variable importance with respect to given votes.
long[]	votes() Returns number of positive votes per tree.

Methods inherited from class hex.singlenoderf.VariableImportance.TreeMeasures

accuracy, npredictors, nrows

Methods inherited from class water.Iced

clone, frozenType, init, newInstance, read, toDocField, write, writeJSON, writeJSONFields

Methods inherited from class java.lang.Object

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

Constructor Detail

VariableImportance.TreeVotes

public VariableImportance.TreeVotes(int initialCapacity)

VariableImportance.TreeVotes

public VariableImportance.TreeVotes(long[] votes,
                            long[] nrows,
                            int ntrees)

Method Detail

votes

public final long[] votes()

Returns number of positive votes per tree.

accuracy

public final double accuracy(int tidx)

Returns accuracy per individual trees.

Specified by:

accuracy in class VariableImportance.TreeMeasures<VariableImportance.TreeVotes>

imp

public final double[] imp(VariableImportance.TreeVotes right)

Compute variable importance with respect to given votes. The given VariableImportance.TreeVotes object represents correct votes. This object represents votes over shuffled data.

Specified by:

imp in class VariableImportance.TreeMeasures<VariableImportance.TreeVotes>

Parameters:

right - individual tree voters performed over not shuffled data.

Returns:

computed importance and standard deviation

append

public VariableImportance.TreeVotes append(long rightVotes,
                                  long allRows)

Append a tree votes to a list of trees.

append

public VariableImportance.TreeVotes append(VariableImportance.TreeVotes tv)

Specified by:

append in class VariableImportance.TreeMeasures<VariableImportance.TreeVotes>