Decision_rule_M.F       Decision fule for the F design based on the
                        Mann-Whitney-Wilcoxon test with specified
                        values of alpha1 and beta1
Decision_rule_M.FS      Decision rule for the FS design based on the
                        Mann-Whitney-Wilcoxon test with the specified
                        values of alpha1, alpha2, and beta1
Decision_rule_M_1stage
                        One-stage clinical trial design based on the
                        Mann-Whitney-Wilcoxon test
Decision_rule_S.F       Decision rule for the F design based on the
                        score test with the specified values of alpha1
                        and beta1
Decision_rule_S.FS      Decision rule of the FS design based on the
                        score test with the specified values of alpha1,
                        alpha2, and beta1
Decision_rule_S_1stage
                        One-stage clinical trial design based on the
                        score test
Decision_rule_W.F       Decision rule of the F design based on the Win
                        Odds test with the specified values of alpha1
                        and beta1
Decision_rule_W.FS      Decision rule of the FS design based on the Win
                        Odds test with the specified values of alpha1,
                        alpha2, and beta1
Decision_rule_W_1stage
                        One-stage clinical trial design based on the
                        Win Odds test
OptOTrials-package      Optimal Two-Stage Designs for Ordered
                        Categorical Outcomes
Proportional_odds_assumption
                        Checking proportional odds assumption
QR_fun                  Calculateion of Q or R
V_S.over.nk             Calcualtion of V
W_W                     Calculation of W
op.1stage               Performance evaluation of a one-stage design
op.F                    Performance evaluation of the F design
op.FS                   Performance evaluation of the FS design
p2_fun                  p2
p_minus                 p_minus
p_plus                  p_plus
pq_fun                  Calculation of pq
ruleF                   Decision fule of the F design
ruleFS                  Decision fule of the FS design
theta                   Calculation of theta
