org.apache.ignite.ml.tree.randomforest.data.impurity.basic

Class CountersHistogram

java.lang.Object

org.apache.ignite.ml.dataset.feature.ObjectHistogram<BootstrappedVector>

org.apache.ignite.ml.tree.randomforest.data.impurity.basic.BootstrappedVectorsHistogram

org.apache.ignite.ml.tree.randomforest.data.impurity.basic.CountersHistogram

All Implemented Interfaces:

Serializable, DistributionComputer, Histogram<BootstrappedVector,ObjectHistogram<BootstrappedVector>>

public class CountersHistogram
extends BootstrappedVectorsHistogram

Represents a historam of element counts per bucket.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.ignite.ml.tree.randomforest.data.impurity.basic.BootstrappedVectorsHistogram

bucketIds, bucketMeta, featureId

Constructor Summary

Constructors

Constructor and Description
CountersHistogram(Set<Integer> bucketIds, BucketMeta bucketMeta, int featureId, int sampleId) Creates an instance of CountersHistogram.

Method Summary

Modifier and Type	Method and Description
Double	mapToCounter(BootstrappedVector vec) Counter mapping.
ObjectHistogram<BootstrappedVector>	newInstance() Creates an instance of ObjectHistogram from child class.

Methods inherited from class org.apache.ignite.ml.tree.randomforest.data.impurity.basic.BootstrappedVectorsHistogram

mapToBucket

Methods inherited from class org.apache.ignite.ml.dataset.feature.ObjectHistogram

addElement, buckets, computeDistributionFunction, getValue, isEqualTo, plus

Methods inherited from class java.lang.Object

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

Constructor Detail

CountersHistogram

public CountersHistogram(Set<Integer> bucketIds,
                         BucketMeta bucketMeta,
                         int featureId,
                         int sampleId)

Creates an instance of CountersHistogram.

Parameters:

bucketIds - Bucket ids.

bucketMeta - Bucket meta.

featureId - Feature id.

sampleId - Sample Id.

Method Detail

mapToCounter

public Double mapToCounter(BootstrappedVector vec)

Counter mapping.

Specified by:

mapToCounter in class ObjectHistogram<BootstrappedVector>

Parameters:

vec - Object.

Returns:

Counter.

newInstance

public ObjectHistogram<BootstrappedVector> newInstance()

Creates an instance of ObjectHistogram from child class.

Specified by:

newInstance in class ObjectHistogram<BootstrappedVector>

Returns:

Object histogram.