get_oc_2arm_binary      Generate operating characteristics for
                        Two-Stage Screened Selection Design for
                        Randomized Phase II Trials with Binary
                        Endpoints
get_oc_3arm_binary      Generate operating characteristics for
                        Two-Stage Screened Selection Design for
                        Randomized Phase II Trials with Binary
                        Endpoints for 3 arms
optimal_2arm_binary     Find optimal design parameters
optimal_3arm_binary     Find optimal design parameters
sample_size_2arm_binary
                        Calculate the sample size for each arm in a
                        two-arm trial
sample_size_3arm_binary
                        Calculate the sample size for each arm in a
                        three-arm study
