org.apache.spark.streamdm.evaluation

ClusteringCohesionEvaluator

class ClusteringCohesionEvaluator extends Evaluator

Clustering evaluator which computes, for each RDD of Example-Double tuples, the clustering cohesion measure (SSE). This is the sum of square distances between Examples and the centroid of their assigned cluster.

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Evaluator, Configurable, Serializable, AnyRef, Any
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  1. ClusteringCohesionEvaluator
  2. Evaluator
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Instance Constructors

  1. new ClusteringCohesionEvaluator()

Value Members

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

    Definition Classes
    AnyRef

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

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  3. final def ##(): Int

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  4. final def ==(arg0: AnyRef): Boolean

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

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  6. def addResult(input: DStream[(Example, Double)]): DStream[String]

    Process the result of a predicted stream of Examples and Doubles.

    Process the result of a predicted stream of Examples and Doubles.

    input

    the input stream containing (Example,Double) tuples

    returns

    a stream of String with the processed evaluation

    Definition Classes
    ClusteringCohesionEvaluator → Evaluator

  7. final def asInstanceOf[T0]: T0

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  8. def clone(): AnyRef

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    protected[java.lang]
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    @throws( ... )

  9. final def eq(arg0: AnyRef): Boolean

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  10. def equals(arg0: Any): Boolean

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  11. def finalize(): Unit

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    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )

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

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  13. def getResult(): Double

    Get the evaluation result.

    Get the evaluation result.

    returns

    a Double containing the evaluation result

    Definition Classes
    ClusteringCohesionEvaluator → Evaluator

  14. def hashCode(): Int

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    AnyRef → Any

  15. final def isInstanceOf[T0]: Boolean

    Definition Classes
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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. final def synchronized[T0](arg0: ⇒ T0): T0

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  20. def toString(): String

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  21. final def wait(): Unit

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    @throws( ... )

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

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

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Inherited from Evaluator

Inherited from Configurable

Inherited from Serializable

Inherited from AnyRef

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