BioInfo.Power           Power calculation for Biomarker-Informed Design
                        with Hierarchical Model
CopriEndpt.Power        Power Calculation for Two Coprimary Endpoints.
OneArm.CondPower        Conditional power for one-arm, two-stage design
                        with two primary endpoints
TwoArms.CondPower       Conditional power for two-group design,
                        two-stage design with two primary endpoints
TwoGrpCopriEndpt.SimPower
                        Power Simulation for Two Group Two Coprimary
                        Endpoints Group Sequential Design.
