Package | Description |
---|---|
org.apache.ignite.ml.dataset.impl.bootstrapping |
Base package for bootstrapped implementation of machine learning dataset.
|
org.apache.ignite.ml.tree.randomforest |
Contains random forest implementation classes.
|
org.apache.ignite.ml.tree.randomforest.data.impurity |
Contains implementation of impurity computers based on histograms.
|
org.apache.ignite.ml.tree.randomforest.data.statistics |
Contains implementation of statistics computers for Random Forest.
|
Modifier and Type | Method and Description |
---|---|
BootstrappedDatasetPartition |
BootstrappedDatasetBuilder.build(LearningEnvironment env,
Iterator<UpstreamEntry<K,V>> upstreamData,
long upstreamDataSize,
EmptyContext ctx)
Builds a new partition
data from a partition upstream data and partition context . |
Modifier and Type | Method and Description |
---|---|
protected boolean |
RandomForestClassifierTrainer.init(Dataset<EmptyContext,BootstrappedDatasetPartition> dataset)
Aggregates all unique labels from dataset and assigns integer id value for each label.
|
protected boolean |
RandomForestTrainer.init(Dataset<EmptyContext,BootstrappedDatasetPartition> dataset)
Init-step before learning.
|
Modifier and Type | Method and Description |
---|---|
Map<NodeId,ImpurityHistogramsComputer.NodeImpurityHistograms<S>> |
ImpurityHistogramsComputer.aggregateImpurityStatistics(ArrayList<TreeRoot> roots,
Map<Integer,BucketMeta> histMeta,
Map<NodeId,TreeNode> nodesToLearn,
Dataset<EmptyContext,BootstrappedDatasetPartition> dataset)
Computes histograms for each feature.
|
Modifier and Type | Method and Description |
---|---|
List<NormalDistributionStatistics> |
NormalDistributionStatisticsComputer.computeStatsOnPartition(BootstrappedDatasetPartition part,
List<FeatureMeta> meta)
Aggregates normal distribution statistics for continual features in dataset partition.
|
Modifier and Type | Method and Description |
---|---|
List<NormalDistributionStatistics> |
NormalDistributionStatisticsComputer.computeStatistics(List<FeatureMeta> meta,
Dataset<EmptyContext,BootstrappedDatasetPartition> dataset)
Computes statistics of normal distribution on features in dataset.
|
void |
LeafValuesComputer.setValuesForLeaves(ArrayList<TreeRoot> roots,
Dataset<EmptyContext,BootstrappedDatasetPartition> dataset)
Takes a list of all built trees and in one map-reduceImpurityStatistics step collect statistics for evaluating
leaf-values for each tree and sets values for leaves.
|
GridGain In-Memory Computing Platform : ver. 8.9.14 Release Date : November 5 2024