hex.tree.drf

Class TreeMeasuresCollector.TreeVotes

java.lang.Object

water.Iced

hex.tree.drf.TreeMeasuresCollector.TreeMeasures<TreeMeasuresCollector.TreeVotes>

hex.tree.drf.TreeMeasuresCollector.TreeVotes

All Implemented Interfaces:

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

Enclosing class:

TreeMeasuresCollector

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

A class holding tree votes.

See Also:

Serialized Form

Field Summary

Fields inherited from class hex.tree.drf.TreeMeasuresCollector.TreeMeasures

_nrows, _ntrees

Constructor Summary

Constructors

Constructor and Description
TreeMeasuresCollector.TreeVotes(int initialCapacity)
TreeMeasuresCollector.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.
TreeMeasuresCollector.TreeVotes	append(long rightVotes, long allRows) Append a tree votes to a list of trees.
TreeMeasuresCollector.TreeVotes	append(TreeMeasuresCollector.TreeVotes tv)
double[]	imp(TreeMeasuresCollector.TreeVotes right) Compute variable importance with respect to given votes.
long[]	votes() Returns number of positive votes per tree.

Methods inherited from class hex.tree.drf.TreeMeasuresCollector.TreeMeasures

accuracy, npredictors, nrows

Methods inherited from class water.Iced

clone, frozenType, read_impl, read, readExternal, readJSON_impl, readJSON, toJsonString, write_impl, write, writeExternal, writeHTML_impl, writeHTML, writeJSON_impl, writeJSON

Methods inherited from class java.lang.Object

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

Constructor Detail

TreeMeasuresCollector.TreeVotes

public TreeMeasuresCollector.TreeVotes(int initialCapacity)

TreeMeasuresCollector.TreeVotes

public TreeMeasuresCollector.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 TreeMeasuresCollector.TreeMeasures<TreeMeasuresCollector.TreeVotes>

imp

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

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

Specified by:

imp in class TreeMeasuresCollector.TreeMeasures<TreeMeasuresCollector.TreeVotes>

Parameters:

right - individual tree voters performed over not shuffled data.

Returns:

computed importance and standard deviation

append

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

Append a tree votes to a list of trees.

append

public TreeMeasuresCollector.TreeVotes append(TreeMeasuresCollector.TreeVotes tv)

Specified by:

append in class TreeMeasuresCollector.TreeMeasures<TreeMeasuresCollector.TreeVotes>