Package | Description |
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org.apache.ignite.ml.dataset.impl.bootstrapping |
Base package for bootstrapped implementation of machine learning dataset.
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org.apache.ignite.ml.tree.randomforest |
Contains random forest implementation classes.
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org.apache.ignite.ml.tree.randomforest.data.impurity |
Contains implementation of impurity computers based on histograms.
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org.apache.ignite.ml.tree.randomforest.data.impurity.basic |
Contains implementation of basic classes for impurity computers.
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org.apache.ignite.ml.tree.randomforest.data.statistics |
Contains implementation of statistics computers for Random Forest.
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Modifier and Type | Method and Description |
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BootstrappedVector |
BootstrappedDatasetPartition.getRow(int rowId)
Returns vector from dataset in according to row id.
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Constructor and Description |
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BootstrappedDatasetPartition(BootstrappedVector[] vectors)
Creates an instance of BootstrappedDatasetPartition.
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Modifier and Type | Class and Description |
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class |
RandomForestTrainer<L,S extends ImpurityComputer<BootstrappedVector,S>,T extends RandomForestTrainer<L,S,T>>
Class represents a realization of Random Forest algorithm.
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Modifier and Type | Method and Description |
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protected LeafValuesComputer<ObjectHistogram<BootstrappedVector>> |
RandomForestClassifierTrainer.createLeafStatisticsAggregator()
Creates an instance of Leaf Statistics Aggregator corresponding to RF implementation.
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Modifier and Type | Class and Description |
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class |
ImpurityHistogramsComputer<S extends ImpurityComputer<BootstrappedVector,S>>
Class containing logic of aggregation impurity statistics within learning dataset.
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static class |
ImpurityHistogramsComputer.NodeImpurityHistograms<S extends ImpurityComputer<BootstrappedVector,S>>
Class represents per feature statistics for impurity computing.
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Modifier and Type | Method and Description |
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void |
MSEHistogram.addElement(BootstrappedVector vector)
Add object to histogram.
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void |
GiniHistogram.addElement(BootstrappedVector vector)
Add object to histogram.
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Modifier and Type | Method and Description |
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ObjectHistogram<BootstrappedVector> |
CountersHistogram.newInstance()
Creates an instance of ObjectHistogram from child class.
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Modifier and Type | Method and Description |
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Integer |
BootstrappedVectorsHistogram.mapToBucket(BootstrappedVector vec)
Bucket mapping.
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Double |
CountersHistogram.mapToCounter(BootstrappedVector vec)
Counter mapping.
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Modifier and Type | Method and Description |
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protected ObjectHistogram<BootstrappedVector> |
ClassifierLeafValuesComputer.createLeafStatsAggregator(int sampleId)
Creates an instance of leaf statistics aggregator in according to concrete algorithm based on RandomForest.
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protected ObjectHistogram<BootstrappedVector> |
ClassifierLeafValuesComputer.mergeLeafStats(ObjectHistogram<BootstrappedVector> leftStats,
ObjectHistogram<BootstrappedVector> rightStats)
Merge statistics for same leafs.
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Modifier and Type | Method and Description |
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protected void |
RegressionLeafValuesComputer.addElementToLeafStatistic(MeanValueStatistic leafStatAggr,
BootstrappedVector vec,
int sampleId)
Save vector to leaf statistic.
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protected void |
ClassifierLeafValuesComputer.addElementToLeafStatistic(ObjectHistogram<BootstrappedVector> leafStatAggr,
BootstrappedVector vec,
int sampleId)
Save vector to leaf statistic.
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protected abstract void |
LeafValuesComputer.addElementToLeafStatistic(T leafStatAggr,
BootstrappedVector vec,
int sampleId)
Save vector to leaf statistic.
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Modifier and Type | Method and Description |
---|---|
protected void |
ClassifierLeafValuesComputer.addElementToLeafStatistic(ObjectHistogram<BootstrappedVector> leafStatAggr,
BootstrappedVector vec,
int sampleId)
Save vector to leaf statistic.
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protected double |
ClassifierLeafValuesComputer.computeLeafValue(ObjectHistogram<BootstrappedVector> stat)
Returns the most frequent value in according to statistic.
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protected ObjectHistogram<BootstrappedVector> |
ClassifierLeafValuesComputer.mergeLeafStats(ObjectHistogram<BootstrappedVector> leftStats,
ObjectHistogram<BootstrappedVector> rightStats)
Merge statistics for same leafs.
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protected ObjectHistogram<BootstrappedVector> |
ClassifierLeafValuesComputer.mergeLeafStats(ObjectHistogram<BootstrappedVector> leftStats,
ObjectHistogram<BootstrappedVector> rightStats)
Merge statistics for same leafs.
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GridGain In-Memory Computing Platform : ver. 8.9.14 Release Date : November 5 2024