Consistent Sampling with Replacement

August 29, 2018 Β· Declared Dead Β· πŸ› arXiv.org

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Authors Ronald L. Rivest arXiv ID 1808.10016 Category cs.DS: Data Structures & Algorithms Citations 3 Venue arXiv.org Last Checked 4 months ago
Abstract
We describe a very simple method for `consistent sampling' that allows for sampling with replacement. The method extends previous approaches to consistent sampling, which assign a pseudorandom real number to each element, and sample those with the smallest associated numbers. When sampling with replacement, our extension gives the item sampled a new, larger, associated pseudorandom number, and returns it to the pool of items being sampled.
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