An implementation of the Grammar of Graphics in R

R's data.table package extends data.frame:

renv: Project environments for R.

RStan, the R interface to Stan

an R package for structural equation modeling and more

S7: a new OO system for R

rstanarm R package for Bayesian applied regression modeling

Extra-strength glue engines for R Markdown, Quarto, and Shiny

loo R package for approximate leave-one-out cross-validation (LOO-CV) and Pareto smoothed importance sampling (PSIS)

tmt package for the application of the conditional maximum likelihood (CML) estimation in multistage designs