dataLong                dataLong
deviance                'deviance' returns the deviance based on the
                        conditional likelihood associated with the
                        survival part.
lqm                     'lqm' fits linear quantile regression model
lqmm                    'lqmm' fits linear quantile mixed model
qrjm                    'qrjm' fits quantile regression joint model
wave                    Data of wave
