org.apache.mahout.classifier.stats

RunningAverageAndStdDev

trait RunningAverageAndStdDev extends RunningAverage

Extends RunningAverage by adding standard deviation too.

Ported from org.apache.mahout.cf.taste.impl.common.RunningAverageAndStdDev.java

Linear Supertypes
RunningAverage, AnyRef, Any
Known Subclasses
FullRunningAverageAndStdDev, InvertedRunningAverageAndStdDev
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Inherited
  1. RunningAverageAndStdDev
  2. RunningAverage
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Abstract Value Members

  1. abstract def addDatum(datum: Double): Unit

    datum

    new item to add to the running average

    Definition Classes
    RunningAverage
    Exceptions thrown
    IllegalArgumentException

    if datum is { @link Double#NaN}

  2. abstract def changeDatum(delta: Double): Unit

    delta

    amount by which to change a datum in the running average

    Definition Classes
    RunningAverage
    Exceptions thrown
    IllegalArgumentException

    if delta is { @link Double#NaN}

    IllegalStateException

    if count is 0

  3. abstract def getAverage: Double

    Definition Classes
    RunningAverage

  4. abstract def getCount: Int

    Definition Classes
    RunningAverage

  5. abstract def getStandardDeviation: Double

    returns

    standard deviation of data

  6. abstract def inverse: RunningAverageAndStdDev

    returns

    a (possibly immutable) object whose average is the negative of this object's

    Definition Classes
    RunningAverageAndStdDev → RunningAverage

  7. abstract def removeDatum(datum: Double): Unit

    datum

    item to remove to the running average

    Definition Classes
    RunningAverage
    Exceptions thrown
    IllegalArgumentException

    if datum is { @link Double#NaN}

    IllegalStateException

    if count is 0

Concrete Value Members

  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 clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef

  9. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  10. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )

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

    Definition Classes
    AnyRef → Any

  12. def hashCode(): Int

    Definition Classes
    AnyRef → Any

  13. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any

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

    Definition Classes
    AnyRef

  15. final def notify(): Unit

    Definition Classes
    AnyRef

  16. final def notifyAll(): Unit

    Definition Classes
    AnyRef

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

    Definition Classes
    AnyRef

  18. def toString(): String

    Definition Classes
    AnyRef → Any

  19. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from RunningAverage

Inherited from AnyRef

Inherited from Any

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