# Uses of Package
org.apache.ignite.ml.dataset.feature

- Packages that use org.apache.ignite.ml.dataset.feature
  Package | Description
  --- | ---
  org.apache.ignite.ml.dataset.feature | Package for helper classes over features such as `ObjectHistogram` or `FeatureMeta`.
  org.apache.ignite.ml.tree.randomforest | Contains random forest implementation classes.
  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.
  org.apache.ignite.ml.tree.randomforest.data.impurity.basic | Contains implementation of basic classes for impurity computers.
  org.apache.ignite.ml.tree.randomforest.data.statistics | Contains implementation of statistics computers for Random Forest.

- Classes in org.apache.ignite.ml.dataset.feature used by org.apache.ignite.ml.dataset.feature
  Class and Description
  DistributionComputer Interface specifies an object that can compute some discrete distribution.
  FeatureMeta Feature meta class.
  Histogram Interface of histogram over type T.
  ObjectHistogram Basic implementation of `Histogram` that implements also `DistributionComputer`.

- Classes in org.apache.ignite.ml.dataset.feature used by org.apache.ignite.ml.tree.randomforest
  Class and Description
  FeatureMeta Feature meta class.
  ObjectHistogram Basic implementation of `Histogram` that implements also `DistributionComputer`.

- Classes in org.apache.ignite.ml.dataset.feature used by org.apache.ignite.ml.tree.randomforest.data
  Class and Description
  FeatureMeta Feature meta class.

- Classes in org.apache.ignite.ml.dataset.feature used by org.apache.ignite.ml.tree.randomforest.data.impurity
  Class and Description
  BucketMeta Bucket meta-information for feature histogram.
  Histogram Interface of histogram over type T.

- Classes in org.apache.ignite.ml.dataset.feature used by org.apache.ignite.ml.tree.randomforest.data.impurity.basic
  Class and Description
  BucketMeta Bucket meta-information for feature histogram.
  DistributionComputer Interface specifies an object that can compute some discrete distribution.
  Histogram Interface of histogram over type T.
  ObjectHistogram Basic implementation of `Histogram` that implements also `DistributionComputer`.

- Classes in org.apache.ignite.ml.dataset.feature used by org.apache.ignite.ml.tree.randomforest.data.statistics
  Class and Description
  FeatureMeta Feature meta class.
  ObjectHistogram Basic implementation of `Histogram` that implements also `DistributionComputer`.

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Release Date | : December 9 2020