cobar Demo of the triogram fitting and rgl perspective plot for Cobar Ore data Frank Demo of nonlinear in parameters fitting of Frank copula model cobar Demo of contour plot of triogram fit of cobar model combos Demo of combos function: ordered combinations cpoint Demo for a simple change point (broken-stick) problem hinged Demo for a simple rqss bivariate fitting of hinge function engel1 Demo of QR fitting of Engel curves engel2 Demo of estimated conditional quantile functions for Engel data. Mel Demo of conditional density estimation using Melbourne daily temperature. KMvCRQ Demo to compare Kaplan Meier and Portnoy's crq estimation in one-sample case. predemo Demo for prediction and confidence intervals rqsslasso Demo for lasso penalized rqss arqss Demo for automatic lambda selection Mammals Demo for rqss with running speed of mammals data crquis Demo for crq method using UIS data and Peng Huang method.