Beta version of PBImisc package
The CRAN version is here: http://cran.r-project.org/web/packages/PBImisc/
In this package you can find tools and datasets presented in ,,Modele liniowe i mieszane w R, wraz z przykladami w analizie danych'' PWN 2011 (www.biecek.pl/Analiza.Danych/)