WINPEPI

Winpepi is a tool used in descriptive epidemiology including the appraisal of separate samples in comparative studies. .According to the late professor Joe Abrahamson, the first version of these programs for epidemiologists composed in collaboration with Eric Peritz programs for health sciences, 1983.

This PEPI programs collection improved with time thus grew continuously and then later on it popularly became known as Winpepi due to its windows versions. Winpepi is available in various programs such as COMPARE2.EXE - For comparisons of two independent groups or samples. The current version number is 3.85. DESCRIBE.EXE - For use in descriptive epidemiology including the appraisal of separate samples in comparative studies.

The current version number is 3.18. ETCETERA.EXE - Miscellaneous (randomization, random sampling, adjustment of multiple-test p-values, appraisal of synergism, assessment of a scale, correlation-coefficient tools, large contingency tables, three-way tables, median polish and mean polish, appraisal of the effect of unmeasured confounders). The current version number is 3.26. LOGISTIC.EXE - Multiple logistic regression.

The current version number is 1.54. PAIRSetc.EXE - For an appraisal of differences and agreement between matched samples or observations. The current version number is 3.59. POISSON.EXE - Multiple Poisson regression. The current version number is 1.27. WHATIS.EXE - An expression evaluator (with storage of constants, interim results, and formulae) and calculator for p values (and their inverse), confidence intervals, and time spans.

The current version number is 4.61. once you install WINPEPI, it automatically installs the latest WINPEPI programs and manuals, and also following the statistical procedures and programs it will install the index. The programs are rather installed in any folder you want but you must select the directory which you prefer in order to access the programs.