Class BernoulliCellSampler<T>

Object
org.apache.spark.util.random.BernoulliCellSampler<T>
Type Parameters:
T - item type
All Implemented Interfaces:
Serializable, Cloneable, Pseudorandom, RandomSampler<T,T>

public class BernoulliCellSampler<T> extends Object implements RandomSampler<T,T>
:: DeveloperApi :: A sampler based on Bernoulli trials for partitioning a data sequence.

param: lb lower bound of the acceptance range param: ub upper bound of the acceptance range param: complement whether to use the complement of the range specified, default to false

See Also:
  • Constructor Details

    • BernoulliCellSampler

      public BernoulliCellSampler(double lb, double ub, boolean complement)
  • Method Details

    • setSeed

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

      public int sample()
      Description copied from interface: RandomSampler
      Whether to sample the next item or not. Return how many times the next item will be sampled. Return 0 if it is not sampled.
      Specified by:
      sample in interface RandomSampler<T,T>
      Returns:
      (undocumented)
    • cloneComplement

      public BernoulliCellSampler<T> cloneComplement()
      Return a sampler that is the complement of the range specified of the current sampler.
      Returns:
      (undocumented)
    • clone

      public BernoulliCellSampler<T> clone()
      Description copied from interface: RandomSampler
      return a copy of the RandomSampler object
      Specified by:
      clone in interface RandomSampler<T,T>