Spreadsheets for the analysis of epidemiologic data, by Ken Rothman.
Note: contains macros. episheet [.xlsx]
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.
Windows version (WINPEPI) of the PEPI suite of programs for epidemiologists.
A free software package that can simulate Randomized Controlled Clinical Trials (RCTs). With the CTS a user can explore aspects of the design, conduction and analyses of RCTs
A tool for calculating the False Positive Report Probability in genetic epidemiology studies (see S Wacholder et al. Assessing the probability that a positive report is false: an approach for molecular epidemiology studies. JNCI 2004;96:434-42) FPRP spreadsheet [.xls]
Excel spreadsheet showing input and output for Bayesian False Discovery Probability (BFDP) calculations (see J Wakefield Int J Epidemiol (forthcoming). BFDP spreadsheet [.xls]