## Uses of Class
org.apache.ignite.ml.tree.randomforest.data.NodeId

- Packages that use NodeId
  Package | Description
  --- | ---
  org.apache.ignite.ml.tree.randomforest.data | Package contains helper data structures for random forest implementation.
  org.apache.ignite.ml.tree.randomforest.data.impurity | Contains implementation of impurity computers based on histograms.

- - ### Uses of NodeId in org.apache.ignite.ml.tree.randomforest.data

    Methods in org.apache.ignite.ml.tree.randomforest.data that return NodeId
    Modifier and Type | Method and Description
    --- | ---
    `NodeId` | TreeNode.`getId()`
    `NodeId` | TreeNode.`predictNextNodeKey(Vector features)` Returns leaf node for feature vector in according to decision tree.

  - ### Uses of NodeId in org.apache.ignite.ml.tree.randomforest.data.impurity

    Methods in org.apache.ignite.ml.tree.randomforest.data.impurity that return NodeId
    Modifier and Type | Method and Description
    --- | ---
    `NodeId` | ImpurityHistogramsComputer.NodeImpurityHistograms.`getNodeId()`

    Methods in org.apache.ignite.ml.tree.randomforest.data.impurity that return types with arguments of type NodeId
    Modifier and Type | Method and Description
    --- | ---
    `Map<NodeId,ImpurityHistogramsComputer.NodeImpurityHistograms<S>>` | ImpurityHistogramsComputer.`aggregateImpurityStatistics(ArrayList<RandomForestTreeModel> roots, Map<Integer,BucketMeta> histMeta, Map<NodeId,TreeNode> nodesToLearn, Dataset<EmptyContext,BootstrappedDatasetPartition> dataset)` Computes histograms for each feature.

    Method parameters in org.apache.ignite.ml.tree.randomforest.data.impurity with type arguments of type NodeId
    Modifier and Type | Method and Description
    --- | ---
    `Map<NodeId,ImpurityHistogramsComputer.NodeImpurityHistograms<S>>` | ImpurityHistogramsComputer.`aggregateImpurityStatistics(ArrayList<RandomForestTreeModel> roots, Map<Integer,BucketMeta> histMeta, Map<NodeId,TreeNode> nodesToLearn, Dataset<EmptyContext,BootstrappedDatasetPartition> dataset)` Computes histograms for each feature.

    Constructors in org.apache.ignite.ml.tree.randomforest.data.impurity with parameters of type NodeId
    Constructor and Description
    `NodeImpurityHistograms(NodeId nodeId)` Create an instance of NodeImpurityHistograms.

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Release Date | : January 10 2022