org.apache.spark.mllib.tree.impurity

Gini

object Gini extends Impurity

:: Experimental :: Class for calculating the Gini impurity during binary classification.

Annotations
@Experimental()
Linear Supertypes
Impurity, Serializable, Serializable, AnyRef, Any
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  1. final def !=(arg0: AnyRef): Boolean

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

    Definition Classes
    Any
  3. final def ##(): Int

    Definition Classes
    AnyRef → Any
  4. final def ==(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  5. final def ==(arg0: Any): Boolean

    Definition Classes
    Any
  6. final def asInstanceOf[T0]: T0

    Definition Classes
    Any
  7. def calculate(count: Double, sum: Double, sumSquares: Double): Double

    :: DeveloperApi :: information calculation for regression

    :: DeveloperApi :: information calculation for regression

    count

    number of instances

    sum

    sum of labels

    sumSquares

    summation of squares of the labels

    returns

    information value

    Definition Classes
    GiniImpurity
  8. def calculate(c0: Double, c1: Double): Double

    :: DeveloperApi :: Gini coefficient calculation

    :: DeveloperApi :: Gini coefficient calculation

    c0

    count of instances with label 0

    c1

    count of instances with label 1

    returns

    Gini coefficient value

    Definition Classes
    GiniImpurity
    Annotations
    @DeveloperApi()
  9. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  10. final def eq(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  11. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any
  12. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
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    Annotations
    @throws( classOf[java.lang.Throwable] )
  13. final def getClass(): Class[_]

    Definition Classes
    AnyRef → Any
  14. def hashCode(): Int

    Definition Classes
    AnyRef → Any
  15. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any
  16. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  17. final def notify(): Unit

    Definition Classes
    AnyRef
  18. final def notifyAll(): Unit

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

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  20. def toString(): String

    Definition Classes
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  21. final def wait(): Unit

    Definition Classes
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    @throws( ... )
  22. final def wait(arg0: Long, arg1: Int): Unit

    Definition Classes
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    @throws( ... )
  23. final def wait(arg0: Long): Unit

    Definition Classes
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    @throws( ... )

Inherited from Impurity

Inherited from Serializable

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

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