Improved Shrinkage Estimations for Multiple Linear Regression R package ImpShrinkage version 1.0.0 A variety of improved shrinkage estimators in the area of statistical analysis: unrestricted; restricted; preliminary test; improved preliminary test; Stein; and positive-rule Stein. More details can be found in chapter 7 of Saleh, A. K. Md. E. (2006) <ISBN: 978-0-471-56375-4>. Software Depends: R (>= 2.10) Mina Norouzirad <mina.norouzirad@gmail.com> Comprehensive R Archive Network (CRAN) Mina Norouzirad [aut, cre] (ORCID: <https://orcid.org/0000-0003-0311-6888>), Danial Mazarei [aut] (ORCID: <https://orcid.org/0000-0002-3633-9298>), Ricardo Moura [aut] (ORCID: <https://orcid.org/0000-0002-3003-9235>), 'FCT, I.P. [fnd] (under the scope of the projects UIDB/00297/2020 and UIDP/00297/2020 (NovaMath)) GPL (>= 2) 2023-06-21 application/tgz https://CRAN.R-project.org/package=ImpShrinkage doi:10.32614/CRAN.package.ImpShrinkage