Parametric bootstrap and Kenward Roger based methods for mixed model comparison Test in linear mixed effects models based on parametric bootstrap approaches and Kenward-Roger modification of F-tests Software Depends: MASS,lme4,Matrix,gplots,parallel Søren Højsgaard <sorenh@mail.dk> Ulrich Halekoh <ulrich.halekoh@agrsci.dk> Søren Højsgaard <sorenh@mail.dk> GPL (>= 2) 2012-04-24 application/tgz http://CRAN.R-project.org/package=pbkrtest