hex.drf

Class TreeVotesCollector.TreeVotes

java.lang.Object

water.Iced

hex.drf.TreeVotesCollector.TreeVotes

All Implemented Interfaces:

java.lang.Cloneable, Freezable

Enclosing class:

TreeVotesCollector

public static class TreeVotesCollector.TreeVotes
extends Iced

Constructor Summary

Constructors

Constructor and Description
TreeVotesCollector.TreeVotes(int initialCapacity)
TreeVotesCollector.TreeVotes(long[] treeCVotes, long[] nrows, int ntrees)

Method Summary

Methods

Modifier and Type	Method and Description
double[]	accuracy() Returns accuracy per individual trees.
TreeVotesCollector.TreeVotes	append(long rightVotes, long allRows) Append a tree votes to a list of trees.
TreeVotesCollector.TreeVotes	append(TreeVotesCollector.TreeVotes tv)
double[]	imp(TreeVotesCollector.TreeVotes right) Compute variable importance with respect to given votes.
int	npredictors()
long[]	nrows() Returns number of rows which were used during voting per individual tree.
java.lang.String	toString()
long[]	treeCVotes() Returns number of positive votes per tree.

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, wait, wait, wait

Constructor Detail

TreeVotesCollector.TreeVotes

public TreeVotesCollector.TreeVotes(int initialCapacity)

TreeVotesCollector.TreeVotes

public TreeVotesCollector.TreeVotes(long[] treeCVotes,
                            long[] nrows,
                            int ntrees)

Method Detail

nrows

public final long[] nrows()

Returns number of rows which were used during voting per individual tree.

treeCVotes

public final long[] treeCVotes()

Returns number of positive votes per tree.

npredictors

public final int npredictors()

accuracy

public final double[] accuracy()

Returns accuracy per individual trees.

imp

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

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

Parameters:

right - individual tree voters performed over not shuffled data.

Returns:

computed importance and standard deviation

append

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

Append a tree votes to a list of trees.

append

public TreeVotesCollector.TreeVotes append(TreeVotesCollector.TreeVotes tv)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object