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class PCA extends AnyRef

A feature transformer that projects vectors to a low-dimensional space using PCA.

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@Since("1.4.0")
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Instance Constructors

  1. new PCA(k: Int)

    k

    number of principal components

    Annotations
    @Since("1.4.0")

Value Members

  1. final def !=(arg0: Any): Boolean
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  2. final def ##: Int
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  8. def finalize(): Unit
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    @throws(classOf[java.lang.Throwable])
  9. def fit(sources: JavaRDD[Vector]): PCAModel

    Java-friendly version of fit().

    Java-friendly version of fit().

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    @Since("1.4.0")
  10. def fit(sources: RDD[Vector]): PCAModel

    Computes a PCAModel that contains the principal components of the input vectors.

    Computes a PCAModel that contains the principal components of the input vectors.

    sources

    source vectors

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    @Since("1.4.0")
  11. final def getClass(): Class[_ <: AnyRef]
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  14. val k: Int
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