rank.gs                 Rank Responses based on the Generalized Score
                        Test
rank.wald               Rank Responses based on the Wald Test
rankL2R                 Rank responses under the Bayesian framework
                        according to the loss function in Method 3 of
                        Wang and Huang (2004).
rankLN                  Rank responses under the Bayesian framework
                        according to the loss function in Method 1 of
                        Wang and Huang (2004).
