bfbin2arm - Bayes Factor Design for Two-Arm Binomial Trials

Design and analysis of one- and two-stage phase II clinical trials using Bayes factors. Implements methods for binomial and continuous endpoints, including point-null and directional hypotheses, power calculations, and sample size calibration. Supports one-arm trials with a single treatment arm and two-arm trials with treatment and control arms. Includes methods for equivalence, non-inferiority, and superiority designs.