# Package org.apache.ignite.ml.tree.impurity

Root package for decision tree impurity measures and calculators.

See: Description

- Interface Summary
  Interface | Description
  --- | ---
  ImpurityMeasure<T extends ImpurityMeasure<T>> | Base interface for impurity measures that can be used in distributed decision tree algorithm.

- Class Summary
  Class | Description
  --- | ---
  ImpurityMeasureCalculator<T extends ImpurityMeasure<T>> | Base interface for impurity measure calculators that calculates all impurity measures required to find a best split.

## Package org.apache.ignite.ml.tree.impurity Description

Root package for decision tree impurity measures and calculators.

2020 Copyright © Apache Software Foundation
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Ignite Database and Caching Platform | : ver. 2.9.1
Release Date | : December 9 2020