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Showing content from http://spark.apache.org/docs/latest/api/java/org/apache/spark/mllib/feature/ChiSqSelectorModel.html below:

ChiSqSelectorModel (Spark 4.0.0 JavaDoc)

org.apache.spark.mllib.feature.ChiSqSelectorModel

All Implemented Interfaces:

Serializable, VectorTransformer, Saveable

param: selectedFeatures list of indices to select (filter).

See Also:

• Serialized Form

• Nested Class Summary

  Nested Classes

• Constructor Summary

  Constructors

• Method Summary

  void

  Save this model to the given path.

  int[]

  Applies transformation on a vector.

• Constructor Details
  • ChiSqSelectorModel

    public ChiSqSelectorModel(int[] selectedFeatures)

• Method Details
  • load
  • selectedFeatures

    public int[] selectedFeatures()

  • transform

    Specified by:

    transform in interface VectorTransformer

    Parameters:

    vector - vector to be transformed.

    Returns:

    transformed vector.

  • save Description copied from interface: Saveable

    Save this model to the given path.

    This saves: - human-readable (JSON) model metadata to path/metadata/ - Parquet formatted data to path/data/

    The model may be loaded using Loader.load.

    Specified by:

    save in interface Saveable

    Parameters:

    sc - Spark context used to save model data.

    path - Path specifying the directory in which to save this model. If the directory already exists, this method throws an exception.

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