Yuanshan Wu, Guosheng Yin, Multiple Imputation for Cure Rate Quantile Regression with Censored Data, Biometrics, Vol. 73, No. 1 (MARCH 2017), pp. 94-103 ...

Quantile regression estimators at a fixed quantile level rely mainly on a small subset of the observed data. As a result, efforts have been made to construct simultaneous estimations at multiple ...

There are many answers, which vary depending on the data set and the analytical goals. Quite often the issue arises in regression analysis, the foundation for many modeling applications.