Package org.apache.spark.mllib.random

Class GammaGenerator

Object
org.apache.spark.mllib.random.GammaGenerator
All Implemented Interfaces:
Serializable, RandomDataGenerator<Object>, Pseudorandom
public class GammaGenerator extends Object implements RandomDataGenerator<Object>
Generates i.i.d. samples from the gamma distribution with the given shape and scale.

param: shape shape for the gamma distribution. param: scale scale for the gamma distribution

See Also:

  • Constructor Summary

    Constructors
    Constructor
    Description
    GammaGenerator(double shape, double scale)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    GammaGenerator
    copy()
    Returns a copy of the RandomDataGenerator with a new instance of the rng object used in the class when applicable for non-locking concurrent usage.
    double
    nextValue()
    Returns an i.i.d.
    double
    scale()
     
    void
    setSeed(long seed)
    Set random seed.
    double
    shape()
     

    Methods inherited from class java.lang.Object

    equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • GammaGenerator

      public GammaGenerator(double shape, double scale)

  • Method Details

    • copy

      public GammaGenerator copy()
      Description copied from interface: RandomDataGenerator
      Returns a copy of the RandomDataGenerator with a new instance of the rng object used in the class when applicable for non-locking concurrent usage.
      Specified by:
      copy in interface RandomDataGenerator<Object>
      Returns:
      (undocumented)

    • nextValue

      public double nextValue()
      Description copied from interface: RandomDataGenerator
      Returns an i.i.d. sample as a generic type from an underlying distribution.
      Specified by:
      nextValue in interface RandomDataGenerator<Object>
      Returns:
      (undocumented)

    • scale

      public double scale()

    • setSeed

      public void setSeed(long seed)
      Description copied from interface: Pseudorandom
      Set random seed.
      Specified by:
      setSeed in interface Pseudorandom

    • shape

      public double shape()