# Uses of Package
org.apache.ignite.ml.composition

- Packages that use org.apache.ignite.ml.composition
  Package | Description
  --- | ---
  org.apache.ignite.ml.composition | Contains classes for ensemble of models implementation.
  org.apache.ignite.ml.composition.boosting | Contains Gradient Boosting regression and classification abstract classes allowing regressor type selecting in child classes.
  org.apache.ignite.ml.composition.boosting.convergence | Package contains implementation of convergence checking algorithms for gradient boosting.
  org.apache.ignite.ml.composition.boosting.convergence.mean | Contains implementation of convergence checking computer by mean of absolute value of errors in dataset.
  org.apache.ignite.ml.composition.boosting.convergence.median | Contains implementation of convergence checking computer by median of medians of errors in dataset.
  org.apache.ignite.ml.composition.boosting.convergence.simple | Contains implementation of Stub for convergence checking.
  org.apache.ignite.ml.trainers | Contains model trainers.
  org.apache.ignite.ml.tree.randomforest | Contains random forest implementation classes.
  org.apache.ignite.ml.xgboost | Base package for XGBoost model parser, correspondent DTOs and util classes.

- Classes in org.apache.ignite.ml.composition used by org.apache.ignite.ml.composition
  Class and Description
  DatasetMapping This class represents dataset mapping.
  ModelsCompositionFormat ModelsComposition representation.

- Classes in org.apache.ignite.ml.composition used by org.apache.ignite.ml.composition.boosting
  Class and Description
  ModelsComposition Model consisting of several models and prediction aggregation strategy.

- Classes in org.apache.ignite.ml.composition used by org.apache.ignite.ml.composition.boosting.convergence
  Class and Description
  ModelsComposition Model consisting of several models and prediction aggregation strategy.

- Classes in org.apache.ignite.ml.composition used by org.apache.ignite.ml.composition.boosting.convergence.mean
  Class and Description
  ModelsComposition Model consisting of several models and prediction aggregation strategy.

- Classes in org.apache.ignite.ml.composition used by org.apache.ignite.ml.composition.boosting.convergence.median
  Class and Description
  ModelsComposition Model consisting of several models and prediction aggregation strategy.

- Classes in org.apache.ignite.ml.composition used by org.apache.ignite.ml.composition.boosting.convergence.simple
  Class and Description
  ModelsComposition Model consisting of several models and prediction aggregation strategy.

- Classes in org.apache.ignite.ml.composition used by org.apache.ignite.ml.trainers
  Class and Description
  DatasetMapping This class represents dataset mapping.

- Classes in org.apache.ignite.ml.composition used by org.apache.ignite.ml.tree.randomforest
  Class and Description
  ModelsComposition Model consisting of several models and prediction aggregation strategy.

- Classes in org.apache.ignite.ml.composition used by org.apache.ignite.ml.xgboost
  Class and Description
  ModelsComposition Model consisting of several models and prediction aggregation strategy.

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Ignite Database and Caching Platform | : ver. 2.12.0
Release Date | : January 10 2022