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Reservoir Sampling
Reservoir Sampling
- Former user (Deleted)
Owned by Former user (Deleted)
Description
The reservoir sampling step allows you to sample a fixed number of rows from an incoming data stream when the total number of incoming rows is not known in advance. The step uses uniform sampling; all incoming rows have an equal chance of being selected. This step is particularly useful when used in conjunction with the ARFF output step in order to generate a suitable sized data set to be used by WEKA. The reservoir sampling step uses Algorithm R by Jeffery Vitter.
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