# Uses of Package
org.apache.ignite.ml.tree.impurity.mse

- Packages that use org.apache.ignite.ml.tree.impurity.mse
  Package | Description
  --- | ---
  org.apache.ignite.ml.tree | Root package for decision trees.
  org.apache.ignite.ml.tree.impurity.mse | Contains mean squared error impurity measure and calculator.

- Classes in org.apache.ignite.ml.tree.impurity.mse used by org.apache.ignite.ml.tree
  Class and Description
  MSEImpurityMeasure Mean squared error (variance) impurity measure which is calculated the following way: `\frac{1}{L}\sum_{i=0}^{n}(y_i - \mu)^2`.

- Classes in org.apache.ignite.ml.tree.impurity.mse used by org.apache.ignite.ml.tree.impurity.mse
  Class and Description
  MSEImpurityMeasure Mean squared error (variance) impurity measure which is calculated the following way: `\frac{1}{L}\sum_{i=0}^{n}(y_i - \mu)^2`.

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Ignite Database and Caching Platform | : ver. 2.9.1
Release Date | : December 9 2020