Class

org.apache.spark.mllib.feature

ChiSqSelector

Related Doc: package feature

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class ChiSqSelector extends Serializable

Creates a ChiSquared feature selector. The selector supports different selection methods: numTopFeatures, percentile, fpr, fdr, fwe.

Annotations
@Since( "1.3.0" )
Source
ChiSqSelector.scala
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Serializable, Serializable, AnyRef, Any
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  1. ChiSqSelector
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Instance Constructors

  1. new ChiSqSelector(numTopFeatures: Int)

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    The is the same to call this() and setNumTopFeatures(numTopFeatures)

    The is the same to call this() and setNumTopFeatures(numTopFeatures)

    Annotations
    @Since( "1.3.0" )
  2. new ChiSqSelector()

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    Annotations
    @Since( "2.1.0" )

Value Members

  1. final def !=(arg0: Any): Boolean

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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

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    protected[java.lang]
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    @throws( ... )
  6. final def eq(arg0: AnyRef): Boolean

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  7. def equals(arg0: Any): Boolean

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  8. var fdr: Double

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  9. def finalize(): Unit

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    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )
  10. def fit(data: RDD[LabeledPoint]): ChiSqSelectorModel

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    Returns a ChiSquared feature selector.

    Returns a ChiSquared feature selector.

    data

    an RDD[LabeledPoint] containing the labeled dataset with categorical features. Real-valued features will be treated as categorical for each distinct value. Apply feature discretizer before using this function.

    Annotations
    @Since( "1.3.0" )
  11. var fpr: Double

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  12. var fwe: Double

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  13. final def getClass(): Class[_]

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  14. def hashCode(): Int

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  15. final def isInstanceOf[T0]: Boolean

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  16. final def ne(arg0: AnyRef): Boolean

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  17. final def notify(): Unit

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  18. final def notifyAll(): Unit

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  19. var numTopFeatures: Int

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  20. var percentile: Double

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  21. var selectorType: String

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  22. def setFdr(value: Double): ChiSqSelector.this.type

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    @Since( "2.2.0" )
  23. def setFpr(value: Double): ChiSqSelector.this.type

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    @Since( "2.1.0" )
  24. def setFwe(value: Double): ChiSqSelector.this.type

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    @Since( "2.2.0" )
  25. def setNumTopFeatures(value: Int): ChiSqSelector.this.type

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    @Since( "1.6.0" )
  26. def setPercentile(value: Double): ChiSqSelector.this.type

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    @Since( "2.1.0" )
  27. def setSelectorType(value: String): ChiSqSelector.this.type

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    @Since( "2.1.0" )
  28. final def synchronized[T0](arg0: ⇒ T0): T0

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  29. def toString(): String

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  30. final def wait(): Unit

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  31. final def wait(arg0: Long, arg1: Int): Unit

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  32. final def wait(arg0: Long): Unit

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