Load packages for mixed models and Bayesian inference: lme4, lmerTest, brms, MuMIn, performance.
pkgs_model <- c("lme4", "lmerTest", "nlme", "MuMIn",
"performance", "see", "emmeans",
"brms", "bayestestR")
install_if_missing <- function(pkgs) {
missing <- pkgs[!pkgs %in% rownames(installed.packages())]
if (length(missing)) install.packages(missing)
invisible(lapply(pkgs, library, character.only = TRUE))
}
install_if_missing(pkgs_model)