Uses of Class
org.apache.ignite.ml.dataset.feature.ObjectHistogram

Packages that use ObjectHistogram

Package	Description
org.apache.ignite.ml.dataset.feature	Package for helper classes over features such as ObjectHistogram or FeatureMeta.
org.apache.ignite.ml.tree.randomforest	Contains random forest implementation classes.
org.apache.ignite.ml.tree.randomforest.data.impurity.basic	Contains implementation of basic classes for impurity computers.
org.apache.ignite.ml.tree.randomforest.data.statistics	Contains implementation of statistics computers for Random Forest.

Uses of ObjectHistogram in org.apache.ignite.ml.dataset.feature

Methods in org.apache.ignite.ml.dataset.feature that return ObjectHistogram

Modifier and Type	Method and Description
abstract ObjectHistogram<T>	ObjectHistogram.newInstance() Creates an instance of ObjectHistogram from child class.
ObjectHistogram<T>	ObjectHistogram.plus(ObjectHistogram<T> other)

Methods in org.apache.ignite.ml.dataset.feature with parameters of type ObjectHistogram

Modifier and Type	Method and Description
boolean	ObjectHistogram.isEqualTo(ObjectHistogram<T> other) Compares histogram with other and returns true if they are equals
ObjectHistogram<T>	ObjectHistogram.plus(ObjectHistogram<T> other)

Uses of ObjectHistogram in org.apache.ignite.ml.tree.randomforest

Methods in org.apache.ignite.ml.tree.randomforest that return types with arguments of type ObjectHistogram

Modifier and Type	Method and Description
protected LeafValuesComputer<ObjectHistogram<BootstrappedVector>>	RandomForestClassifierTrainer.createLeafStatisticsAggregator() Creates an instance of Leaf Statistics Aggregator corresponding to RF implementation.

Uses of ObjectHistogram in org.apache.ignite.ml.tree.randomforest.data.impurity.basic

Subclasses of ObjectHistogram in org.apache.ignite.ml.tree.randomforest.data.impurity.basic

Modifier and Type	Class and Description
class	BootstrappedVectorsHistogram Histogram for bootstrapped vectors with predefined bucket mapping logic for feature id == featureId.
class	CountersHistogram Represents a historam of element counts per bucket.

Methods in org.apache.ignite.ml.tree.randomforest.data.impurity.basic that return ObjectHistogram

Modifier and Type	Method and Description
ObjectHistogram<BootstrappedVector>	CountersHistogram.newInstance() Creates an instance of ObjectHistogram from child class.

Uses of ObjectHistogram in org.apache.ignite.ml.tree.randomforest.data.statistics

Methods in org.apache.ignite.ml.tree.randomforest.data.statistics that return ObjectHistogram

Modifier and Type	Method and Description
protected ObjectHistogram<BootstrappedVector>	ClassifierLeafValuesComputer.createLeafStatsAggregator(int sampleId) Creates an instance of leaf statistics aggregator in according to concrete algorithm based on RandomForest.
protected ObjectHistogram<BootstrappedVector>	ClassifierLeafValuesComputer.mergeLeafStats(ObjectHistogram<BootstrappedVector> leftStats, ObjectHistogram<BootstrappedVector> rightStats) Merge statistics for same leafs.

Methods in org.apache.ignite.ml.tree.randomforest.data.statistics with parameters of type ObjectHistogram

Modifier and Type	Method and Description
protected void	ClassifierLeafValuesComputer.addElementToLeafStatistic(ObjectHistogram<BootstrappedVector> leafStatAggr, BootstrappedVector vec, int sampleId) Save vector to leaf statistic.
protected double	ClassifierLeafValuesComputer.computeLeafValue(ObjectHistogram<BootstrappedVector> stat) Returns the most frequent value in according to statistic.
protected ObjectHistogram<BootstrappedVector>	ClassifierLeafValuesComputer.mergeLeafStats(ObjectHistogram<BootstrappedVector> leftStats, ObjectHistogram<BootstrappedVector> rightStats) Merge statistics for same leafs.
protected ObjectHistogram<BootstrappedVector>	ClassifierLeafValuesComputer.mergeLeafStats(ObjectHistogram<BootstrappedVector> leftStats, ObjectHistogram<BootstrappedVector> rightStats) Merge statistics for same leafs.