rq                       quantile regression (main function)
rq.formula               quantile regression with R formulas
qrq                      linearized quantile estimation
ranks                    function to compute ranks from the dual
                         (regression rankscore) process
rrs.test                 function to compute regression rankscore test of
                         linear hypothesis
trq                      function to compute analogues of the trimmed
                         mean
trq.print                print a Trimmed Regression Quantile Summary
Patacamaya               example data set
