| BCQR | Adjusted Bayesian Censored Quantile Regression |
| BQR | Adjusted Bayesian Quantile Regression |
| li_powell | Asymmetric-Laplace-type Working Likelihood For Cenaored Quantile Regression |
| li_reg | Asymmetric Laplace Working Likelihood For Linear Quantile Regression |
| sigma_est | Estimation of the Scale Parameter for Quantile Regression |
| sigma_est_powell | Estimation of the Scale Parameter for Censored Quantile Regression |