| rank.btmm | Rank responses based on the Bradley-Terry model with the MM method |
| rank.btnr | Rank responses based on the Bradley-Terry model with Newton-Raphson method |
| rank.btqn | Rank responses based on the Bradley-Terry model with the quasi-Newton accelerated MM method |
| rank.gs | Rank responses based on the Generalized score test |
| rank.L2R | Rank responses under the Bayesian framework according to the loss function in Method 3 of Wang and Huang (2004). |
| rank.LN | Rank responses under the Bayesian framework according to the loss function in Method 1 of Wang and Huang (2004). |
| rank.wald | Rank responses based on the Wald test |