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wrswoR 1.2.0 (2025-11-09)

Features

• New memory-friendly sample_int_cccrank(), add references (@vgherard, #7).

Bug fixes

• Add input validation for NA and negative values in sampling functions (#9, #39).

wrswoR 1.1.1 (2020-07-26)

• In sample_int_expj(), move retrieval of top element into the loop, to make it independent from the actual implementation of the priority queue.

wrswoR 1.1 (2018-02-02)

• Use microbenchmark package conditionally.
• Remove dependency on cluster.
• Use native method registration.
• Prepare for submission to R Journal.
• Improve vignette.
• Internal tweaks.

wrswoR 1.0-1 (2016-02-26)

• Finally submitted version of the paper.

wrswoR 1.0 (2016-02-22)

First CRAN release.

• Alternative implementations for weighted random sampling, as implemented by R’s sample.int(replace = FALSE, prob = ...)
  • sample_int_rej(): A rejective algorithm, in R
  • sample_int_rank(): One-pass sampling by Efraimidis and Spirakis, in R
  • sample_int_crank(): One-pass sampling by Efraimidis and Spirakis, in C++
  • sample_int_expj(): Reservoir sampling with exponential jumps Efraimidis and Spirakis, in C++
  • Two more experimental functions.
• Article for submission to JStatSoft as vignette.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.