Trait

org.apache.spark.sql.sources

StatVarianceCounter

Related Doc: package sources

Permalink

trait StatVarianceCounter extends Serializable

A class for tracking the statistics of a set of numbers (count, mean and variance) in a numerically robust way. Includes support for merging two StatVarianceCounters.

Taken from Spark's StatCounter implementation removing max and min.

Linear Supertypes
Serializable, Serializable, AnyRef, Any
Known Subclasses
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. StatVarianceCounter
  2. Serializable
  3. Serializable
  4. AnyRef
  5. Any
  1. Hide All
  2. Show All
Visibility
  1. Public
  2. All

Abstract Value Members

  1. abstract def copy(): StatVarianceCounter

    Permalink

    Clone this StatVarianceCounter

Concrete Value Members

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

    Permalink
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int

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

    Permalink
    Definition Classes
    AnyRef → Any
  4. final def asInstanceOf[T0]: T0

    Permalink
    Definition Classes
    Any
  5. def clone(): AnyRef

    Permalink
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  6. final var count: Long

    Permalink
  7. final def eq(arg0: AnyRef): Boolean

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

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

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

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

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

    Permalink
    Definition Classes
    Any
  13. final var mean: Double

    Permalink
  14. final def merge(other: StatVarianceCounter): Unit

    Permalink

    Merge another StatVarianceCounter into this one, adding up the internal statistics.

  15. final def merge(values: TraversableOnce[Double]): Unit

    Permalink

    Add multiple values into this StatVarianceCounter, updating the internal statistics.

  16. final def merge(value: Double): Unit

    Permalink

    Add a value into this StatVarianceCounter, updating the internal statistics.

  17. def mergeDistinctCounter(other: StatVarianceCounter): Unit

    Permalink

    Merge another StatVarianceCounter into this one, adding up the internal statistics when other != this.

    Merge another StatVarianceCounter into this one, adding up the internal statistics when other != this.

    Attributes
    protected
  18. final def ne(arg0: AnyRef): Boolean

    Permalink
    Definition Classes
    AnyRef
  19. final def notify(): Unit

    Permalink
    Definition Classes
    AnyRef
  20. final def notifyAll(): Unit

    Permalink
    Definition Classes
    AnyRef
  21. final def sampleStdev: Double

    Permalink

    Return the sample standard deviation of the values, which corrects for bias in estimating the variance by dividing by N-1 instead of N.

  22. final def sampleVariance: Double

    Permalink

    Return the sample variance, which corrects for bias in estimating the variance by dividing by N-1 instead of N.

  23. final def stdev: Double

    Permalink

    Return the standard deviation of the values.

  24. final def sum: Double

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

    Permalink
    Definition Classes
    AnyRef
  26. def toString(): String

    Permalink
    Definition Classes
    StatVarianceCounter → AnyRef → Any
  27. final def variance: Double

    Permalink

    Return the variance of the values.

  28. final def wait(): Unit

    Permalink
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  29. final def wait(arg0: Long, arg1: Int): Unit

    Permalink
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  30. final def wait(arg0: Long): Unit

    Permalink
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from Serializable

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

Ungrouped