They aim to complement other statistics packages. 'The WINPEPI (PEPI-for-Windows) computer programs for epidemiologists are designed for use in practice and research in the health field and as learning or teaching aids. Epi Map displays geographic maps with data from Epi Info.' Epi Info can be used to perform basic epidemiologic functions like logistic regressions and Kaplan-Meier survival analysis. Epidemiologic statistics, tables, graphs, and maps are produced with simple commands such as READ, FREQ, LIST, TABLES, GRAPH, and MAP. OpenEpi is free and open source software for epidemiologic statistics.'ĬDC's Epi Info allows 'epidemiologists and other public health and medical professionals rapidly develop a questionnaire or form, customize the data entry process, and enter and analyze data. OpenEpi is a website that '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.
