Package org.apache.spark.mllib.random

Class LogNormalGenerator

Object
org.apache.spark.mllib.random.LogNormalGenerator
All Implemented Interfaces:
Serializable, RandomDataGenerator<Object>, Pseudorandom, scala.Serializable
public class LogNormalGenerator extends Object implements RandomDataGenerator<Object>
Generates i.i.d. samples from the log normal distribution with the given mean and standard deviation.

param: mean mean for the log normal distribution. param: std standard deviation for the log normal distribution

See Also:

  • Constructor Summary

    Constructors
    Constructor
    Description
    LogNormalGenerator(double mean, double std)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    LogNormalGenerator
    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
    mean()
     
    double
    nextValue()
    Returns an i.i.d. sample as a generic type from an underlying distribution.
    void
    setSeed(long seed)
    Set random seed.
    double
    std()
     

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • LogNormalGenerator

      public LogNormalGenerator(double mean, double std)

  • Method Details

    • copy

      public LogNormalGenerator 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)

    • mean

      public double mean()

    • 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)

    • setSeed

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

    • std

      public double std()