ahr                     Average hazard ratio under non-proportional
                        hazards
ahr_blinded             Blinded estimation of average hazard ratio
as_gt                   Convert summary table of a fixed or group
                        sequential design object to a gt object
as_rtf                  Write summary table of a fixed or group
                        sequential design object to an RTF file
define_enroll_rate      Define enrollment rate
define_fail_rate        Define failure rate
expected_accrual        Piecewise constant expected accrual
expected_event          Expected events observed under piecewise
                        exponential model
expected_time           Predict time at which a targeted event count is
                        achieved
fixed_design_ahr        Fixed design under non-proportional hazards
gs_b                    Default boundary generation
gs_bound_summary        Bound summary table
gs_cp_npe               Conditional power computation with non-constant
                        effect size
gs_create_arm           Create npsurvSS arm object
gs_design_ahr           Calculate sample size and bounds given targeted
                        power and Type I error in group sequential
                        design using average hazard ratio under
                        non-proportional hazards
gs_design_combo         Group sequential design using MaxCombo test
                        under non-proportional hazards
gs_design_npe           Group sequential design computation with
                        non-constant effect and information.
gs_design_rd            Group sequential design of binary outcome
                        measuring in risk difference
gs_design_wlr           Group sequential design using weighted log-rank
                        test under non-proportional hazards
gs_info_ahr             Information and effect size based on AHR
                        approximation
gs_info_combo           Information and effect size for MaxCombo test
gs_info_rd              Information and effect size under risk
                        difference
gs_info_wlr             Information and effect size for weighted
                        log-rank test
gs_power_ahr            Group sequential design power using average
                        hazard ratio under non-proportional hazards
gs_power_combo          Group sequential design power using MaxCombo
                        test under non-proportional hazards
gs_power_rd             Group sequential design power of binary outcome
                        measuring in risk difference
gs_power_wlr            Group sequential design power using weighted
                        log rank test under non-proportional hazards
gs_spending_bound       Derive spending bound for group sequential
                        boundary
gs_spending_combo       Derive spending bound for MaxCombo group
                        sequential boundary
gs_update_ahr           Group sequential design using average hazard
                        ratio under non-proportional hazards
ppwe                    Piecewise exponential cumulative distribution
                        function
pw_info                 Average hazard ratio under non-proportional
                        hazards
s2pwe                   Approximate survival distribution with
                        piecewise exponential distribution
summary.fixed_design    Summary for fixed design or group sequential
                        design objects
text_summary            Generates a textual summary of a group
                        sequential design using the AHR method.
to_integer              Round sample size and events
wlr_weight              Weight functions for weighted log-rank test
