what is bootstrap llm calculate fixed effects of a lmm how to get fixed effects from a linear model? how to bootstrap a linear model how to speed up glmm how to bootstrap regression models how to do bootstrapping in r how to bootstrap a fixed effect can bootstrapping a mixed model increase fixed effects how to calculate fixed effects of bootstrapping glmm bootstrap how is bootstrap replication performed how to load and bootstrap data for lmm how to get an estimate of fixed effects in r which model is bootstrapping how to bootstrap a variable in r what is y$*$ in bootstrapping how do you bootstrap regression how many bootstrapping simulations do i need can i bootstrap fixed effects in ls