| ah | House Price | 
| ais | Australia Institute of Sport data | 
| ALDqr_case_deletion | Calculate the case-deletion coefficience of the MLE estimation of quantile regression | 
| ALDqr_GCD | Generalized Cook's distance for each observation in quantile regression model | 
| ALDqr_QD | Q-function distance for each observation in quantile regression model | 
| baseball | Baseball Hitter Data | 
| bayesKL | Kullback-Leibler divergence for each observation in Baysian quantile regression model | 
| bayesProb | Mean posterior probability for each observation in Baysian quantile regression model | 
| frame_ald | Density function plot of the error term for quantile regression model using asymmetric Laplace distribution | 
| frame_ald_weight | Weighting Matrix of Quantile regression using Asymmetric Laplace Distrubtion | 
| frame_bayes | Mean probability of posterior distribution and Kullback-Leibler divergence for observations in Bayesian quantile regression model | 
| frame_br | Visualization of quantile regression model fitting: br algorithem | 
| frame_distance | Residual-robust distance plot of quantile regression model | 
| frame_distance_complex | Residual-robust distance plot of quantile regression model | 
| frame_fn_obs | Visualization of quantile regression model fitting: interior point algorithm | 
| frame_fn_path | Visualization of the fitting path of quantile regression: interior point method | 
| frame_mle | General Cook's distance or Q-function distance of quantile regression | 
| frame_nlrq | Visualization of fitting process of non-linear quantile regression: interior point algorithm | 
| qrod_bayes | Outlier Dignostic for Quantile Regression Based on Bayesian Estimation | 
| qrod_mle | Outlier Dignostic for Quantile Regression with Asymmetric Laplace Distribution | 
| trout | Fish habbit of trout |