mctest: An R Package for Detection of Collinearity among Regressors. - Muhammad Imdadullah; Muhammad Aslam; Saima Altaf (R J., 2016)

liureg: A Comprehensive R Package for the Liu Estimation of Linear Regression Model with Collinear Regressors. - Muhammad Imdadullah; Muhammad Aslam; Saima Altaf (R J., 2017)

lmridge: A Comprehensive R Package for Ridge Regression. - Muhammad Imdad Ullah; Muhammad Aslam; Saima Altaf (R J., 2018)

Robustness to missing observation and optimalities of response surface designs with regular and complex structure. - Humera Hayat; Atif Akbar; Tanvir Ahmad; Sajjad Haider Bhatti; Muhammad Imdad Ullah (Commun. Stat. Simul. Comput., 2023)