Package | Description |
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org.apache.datasketches.sampling |
This package is dedicated to streaming algorithms that enable fixed size, uniform sampling of
weighted and unweighted items from a stream.
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Class and Description |
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EbppsItemsSketch
An implementation of an Exact and Bounded Sampling Proportional to Size sketch.
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ReservoirItemsSketch
This sketch provides a reservoir sample over an input stream of items.
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ReservoirItemsUnion
Class to union reservoir samples of generic items.
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ReservoirLongsSketch
This sketch provides a reservoir sample over an input stream of
long s. |
ReservoirLongsUnion
Class to union reservoir samples of longs.
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SampleSubsetSummary
A simple object o capture the results of a subset sum query on a sampling sketch.
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VarOptItemsSamples
This class provides access to the samples contained in a VarOptItemsSketch.
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VarOptItemsSamples.WeightedSample
A convenience class to allow easy iterator access to a VarOpt sample.
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VarOptItemsSketch
This sketch provides a variance optimal sample over an input stream of weighted items.
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VarOptItemsUnion
Provides a unioning operation over varopt sketches.
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