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See:
Description
Class Summary | |
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ReservoirSample | Performs a simple random sample using an in-memory reservoir to produce a uniformly random sample of a given size. |
ReservoirSample.Final | |
ReservoirSample.Initial | |
ReservoirSample.Intermediate | |
SampleByKey | Provides a way of sampling tuples based on certain fields. |
SimpleRandomSample | Scalable simple random sampling. |
SimpleRandomSample.Final | |
SimpleRandomSample.Initial | |
SimpleRandomSample.Intermediate | |
SimpleRandomSampleWithReplacementElect | Select the candidate with the smallest score for each position from the candidates
proposed by SimpleRandomSampleWithReplacementVote . |
SimpleRandomSampleWithReplacementElect.Final | |
SimpleRandomSampleWithReplacementElect.Initial | |
SimpleRandomSampleWithReplacementElect.Intermediate | |
SimpleRandomSampleWithReplacementVote | Scalable simple random sampling with replacement (ScaSRSWR). |
WeightedSample | Performs weighted bernoulli sampling on a bag. |
Sampling UDFs, including weighted sample, reservoir sampling, sampling by key, etc.
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