Trial Power Studio

Sample size & power for randomised trials — closed-form or Monte-Carlo, with baseline-covariate adjustment

InputsDesign

Set the design, then press Calculate.
Formula mode gives the closed-form answer instantly; simulation mode estimates power by Monte-Carlo and can add a correlated baseline covariate to the analysis.

backprop.sim // Developed by Armando Teixeira-Pinto and Claude Fable 5