Exact (Restricted) Likelihood Ratio Tests for Mixed and Additive Models
Likelihood Ratio Tests for simple linear mixed models
Restricted Likelihood Ratio Tests for additive and linear mixed models
Extract the Design of a linear mixed model
Simulation of the (Restricted) Likelihood Ratio Statistic
R package for fast and exact (restricted) likelihood ratio tests for m...
Rapid, simulation-based exact (restricted) likelihood ratio tests for testing the presence of variance components/nonparametric terms for models fit with nlme::lme(),lme4::lmer(), lmeTest::lmer(), gamm4::gamm4(), mgcv::gamm() and SemiPar::spm().