Top 5 r-packages open source projects

Lightweight infrastructure to handle multiple rmarkdown reports

R-package for interpretable nonparametric modeling of longitudinal data using additive Gaussian processes. Contains functionality for inferring covariate effects and assessing covariate relevances. Various models can be specified using a convenient formula syntax.

R pipeline for computing persistent homology in topological data analysis. See https://doi.org/10.21105/joss.00860 for more details.

Xie's R Archive Network (experimental and for my personal interest only)

ggplot-based graphics and useful functions for GAMs fitted using the mgcv package