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OpenEpi provides statistics for counts and measurements in descriptive and analytic studies, stratified analysis with exact confidence limits, matched pair and person-time analysis, sample size and power calculations, random numbers, sensitivity, specificity and other evaluation statistics, R x C tables, chi-square for dose-response, and links to other useful sites.

OpenEpi is free and open source software for epidemiologic statistics. It can be run from a web server or downloaded and run without a web connection. A server is not required. The programs are written in JavaScript and HTML, and should be compatible with recent Linux, Mac, and PC browsers, regardless of operating system. (If you are seeing this, your browser settings are allowing JavaScript.) A new tabbed interface avoids popup windows except for help files.


General Associations
ANOVA (2), Free (4), Proportions (1), RR statistics (1), SMR (1), diagnostic screening (1), epidemiology links (1), exact statistics (1), means (1), open source statistical calculators (1), person-time (1), power (1), sample size (1), t-test (1), two-by-two tables with OR (1)
Interface Languages
English (416)