Please cite both the liureg related paper and the liureg package: To cite liureg article in publications use:
Imdad, M. U. & Aslam, M. (2018). liureg: Liu Regression with Liu Biasing Parameters and Statistics. URL https://CRAN.R-project.org/package=liureg, R package version 1.1.2
Imdadullah, M., Aslam, M., and Altaf, S., (2017). liureg: A Comprehensive R Package for the Liu Estimation of Linear Regression Model with Collinear Regressors. The R Journal, 9(2), 232--247 https://journal.r-project.org/archive/2017/RJ-2017-048/index.html
Corresponding BibTeX entries:
@Manual{, title = {{liureg}: Liu Regression with Liu Biasing Parameters and Statistics}, author = {M. U. Imdad and M. Aslam}, year = {2018}, note = {R package version 1.1.2}, url = {https://CRAN.R-project.org/package=liureg}, }
@Article{, title = {liureg: A Comprehensive R Package for the Liu Estimation of Linear Regression Model with Collinear Regressors}, author = {M. Imdadullah and M. Aslam}, journal = {The R Journal}, year = {2017}, volume = {9(2)}, pages = {232-247}, url = {https://journal.r-project.org/archive/2017/RJ-2017-048/index.html}, }