baseball                Baseball data from Agresti (2002)
BTabilities             estimated abilities in a Bradley-Terry model
BTm                     Bradley-Terry model and extensions
BTresiduals             player-specific residuals from a Bradley-Terry
                        model
citations               Statistics journal citation data from Stigler
                        (1994)
flatlizards             Augrabies Male Flat Lizards: Contest Results
                        and Predictor Variables
