Biased Urn Model Distributions

Statistical models of biased sampling in the form of univariate and multivariate noncentral hypergeometric distributions, including Wallenius' noncentral hypergeometric distribution and Fisher's noncentral hypergeometric distribution (also called extended hypergeometric distribution). See vignette("UrnTheory") for explanation of these distributions.


Reference manual

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1.07 by Agner Fog, 3 years ago

Browse source code at

Authors: Agner Fog

Documentation:   PDF Manual  

Task views: Probability Distributions

GPL-3 license

Imported by ORCI, behaviorchange, epiR, gridsampler, sensitivity2x2xk, senstrat, ufs, userfriendlyscience.

Depended on by EQUIVNONINF, MIDN, MPINet, SubpathwayLNCE, gmeta.

Suggested by fitteR, meta, metafor.

See at CRAN