https://cran.stat.sfu.ca/web/packages/lmhelprs/index.html
CRAN: Package lmhelprs
A collection of helper functions for multiple regression models fitted by lm(). Most of them are simple functions for simple tasks which can be done with...
cranpackage
https://cran.r-project.org/web/packages/lmhelprs/vignettes/lmhelprs.html
lmhelprs