org.apache.spark.mllib.feature

IDFModel

class IDFModel extends Serializable

:: Experimental :: Represents an IDF model that can transform term frequency vectors.

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@Experimental()
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  11. final def getClass(): Class[_]

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  13. val idf: Vector

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  19. def toString(): String

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  20. def transform(dataset: JavaRDD[Vector]): JavaRDD[Vector]

    Transforms term frequency (TF) vectors to TF-IDF vectors (Java version).

    Transforms term frequency (TF) vectors to TF-IDF vectors (Java version).

    dataset

    a JavaRDD of term frequency vectors

    returns

    a JavaRDD of TF-IDF vectors

  21. def transform(dataset: RDD[Vector]): RDD[Vector]

    Transforms term frequency (TF) vectors to TF-IDF vectors.

    Transforms term frequency (TF) vectors to TF-IDF vectors.

    dataset

    an RDD of term frequency vectors

    returns

    an RDD of TF-IDF vectors

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