# Uses of Package
org.apache.ignite.ml.tree.data

- Packages that use org.apache.ignite.ml.tree.data
  Package | Description
  --- | ---
  org.apache.ignite.ml.tree | Root package for decision trees.
  org.apache.ignite.ml.tree.data | Contains data and data builder required for decision tree trainers built on top of partition based dataset.
  org.apache.ignite.ml.tree.impurity | Root package for decision tree impurity measures and calculators.
  org.apache.ignite.ml.tree.impurity.gini | Contains Gini impurity measure and calculator.
  org.apache.ignite.ml.tree.impurity.mse | Contains mean squared error impurity measure and calculator.
  org.apache.ignite.ml.tree.leaf | Root package for decision trees leaf builders.

- Classes in org.apache.ignite.ml.tree.data used by org.apache.ignite.ml.tree
  Class and Description
  DecisionTreeData A partition `data` of the containing matrix of features and vector of labels stored in heap with index on features.

- Classes in org.apache.ignite.ml.tree.data used by org.apache.ignite.ml.tree.data
  Class and Description
  DecisionTreeData A partition `data` of the containing matrix of features and vector of labels stored in heap with index on features.
  TreeDataIndex Index for representing sorted dataset rows for each features.

- Classes in org.apache.ignite.ml.tree.data used by org.apache.ignite.ml.tree.impurity
  Class and Description
  DecisionTreeData A partition `data` of the containing matrix of features and vector of labels stored in heap with index on features.
  TreeDataIndex Index for representing sorted dataset rows for each features.

- Classes in org.apache.ignite.ml.tree.data used by org.apache.ignite.ml.tree.impurity.gini
  Class and Description
  DecisionTreeData A partition `data` of the containing matrix of features and vector of labels stored in heap with index on features.

- Classes in org.apache.ignite.ml.tree.data used by org.apache.ignite.ml.tree.impurity.mse
  Class and Description
  DecisionTreeData A partition `data` of the containing matrix of features and vector of labels stored in heap with index on features.

- Classes in org.apache.ignite.ml.tree.data used by org.apache.ignite.ml.tree.leaf
  Class and Description
  DecisionTreeData A partition `data` of the containing matrix of features and vector of labels stored in heap with index on features.

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Ignite Database and Caching Platform | : ver. 2.13.0
Release Date | : April 20 2022