Approximate Unconditional and Permutation Tests

Performs approximate unconditional and permutation testing for 2x2 contingency tables. Motivated by testing for disease association with rare genetic variants in case-control studies. When variants are extremely rare, these tests give better control of Type I error than standard tests.


Reference manual

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0.99 by Arjun Sondhi, a year ago

Browse source code at

Authors: Arjun Sondhi , Ken Rice

Documentation:   PDF Manual  

GPL-2 license

Imports logistf

Suggests knitr, markdown

See at CRAN