Free statistics tools for researchers
Browser-based tools that do the fiddly parts of a paper right, built by a publishing physician-scientist. Your data stays in your browser, and every tool exports paste-ready text and R code.
Table 1 generator
Upload your dataset and get a publication-ready baseline characteristics table, with the right summary for every variable. Export to Word, PDF and R.
Open tool → Study planningSample size and power calculator
Find the sample size you need, or the power you have, for a comparison of two means or two proportions. With a methods sentence and R code.
Open tool → Diagnostic accuracyDiagnostic test calculator
Turn a 2×2 table into sensitivity, specificity, predictive values and likelihood ratios, each with a 95% confidence interval and R code.
Open tool →When a free tool is not enough
For the analysis behind the paper, from the plan to the figures and the reporting, Rigora’s statistics service is led by a publishing physician-scientist, not a black box.