Variance

object Variance extends Impurity

:: Experimental :: Class for calculating variance during regression

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()
Linear Supertypes
Impurity, Serializable, Serializable, AnyRef, Any
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1. Variance
2. Impurity
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Value Members

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

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

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Any
3. final def ##(): Int

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

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

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6. final def asInstanceOf[T0]: T0

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

:: DeveloperApi :: variance calculation

:: DeveloperApi :: variance calculation

count

number of instances

sum

sum of labels

sumSquares

summation of squares of the labels

returns

information value, or 0 if count = 0

Definition Classes
VarianceImpurity
Annotations
()
8. def calculate(counts: Array[Double], totalCount: Double): Double

:: DeveloperApi :: information calculation for multiclass classification

:: DeveloperApi :: information calculation for multiclass classification

counts

Array[Double] with counts for each label

totalCount

sum of counts for all labels

returns

information value, or 0 if totalCount = 0

Definition Classes
VarianceImpurity
Annotations
()
9. def clone(): AnyRef

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

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11. def equals(arg0: Any): Boolean

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12. def finalize(): Unit

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

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14. def hashCode(): Int

Definition Classes
AnyRef → Any
15. def instance: Variance.type

Get this impurity instance.

Get this impurity instance. This is useful for passing impurity parameters to a Strategy in Java.

16. final def isInstanceOf[T0]: Boolean

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

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18. final def notify(): Unit

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19. final def notifyAll(): Unit

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

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21. def toString(): String

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22. final def wait(): Unit

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@throws( ... )
23. final def wait(arg0: Long, arg1: Int): Unit

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@throws( ... )
24. final def wait(arg0: Long): Unit

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@throws( ... )