# Package org.apache.ignite.ml.structures

Contains some internal utility structures.

See: Description

- Class Summary
  Class | Description
  --- | ---
  Dataset<Row extends DatasetRow> | Class for set of vectors.
  DatasetRow<V extends Vector> | Class to keep one observation in dataset.
  FeatureMetadata | Class for feature metadata.
  LabeledVector<L> | Class for vector with label.
  LabeledVectorSet<Row extends LabeledVector> | The set of labeled vectors used in local partition calculations.
  LabeledVectorSetTestTrainPair | Class for splitting Labeled Dataset on train and test sets.

## Package org.apache.ignite.ml.structures Description

Contains some internal utility structures.

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