EXP_3_stg_sz            Three-stage design
asd_ci_est_one_arm_2_stage
                        Final analysis: two stage design, with sample
                        size change
asd_ci_est_one_arm_3_stage
                        Final analysis: three stage design, with sample
                        size change
gsd_ci_est_2_stage      Final analysis: two stage design, no sample
                        size change
gsd_ci_est_3_stage      Final analysis: three stage design, no sample
                        size change
hybrid_sz               Two-stage design: the hybrid design
interim_analysis        The interim analysis can be conducted for both
                        two-stage and three-stage designs
midpnt_sz               Two-stage design: the midpoint design
one_arm_ad_3_stg_binary
                        Simulations: adaptive three stage design
one_arm_ad_two_stg_binary
                        Simulations: adaptive two stage design
one_arm_rej_2_stg_binary
                        Simulations: Two stage fixed expanded Simon's
                        design: either hybrid or mid-point design
one_arm_rej_3_stg_binary
                        Simulations: Expanded Simon's design: the three
                        stage design, no sample size change
one_arm_rej_simon_binary
                        Simulations: two stage fixed Simon's design
simon_ph2_sz            Two-stage design: Simon's design
