CRAN is the primary repository for the R software, its documentation, and thousands of user-contributed extension packages. It is a network of FTP and web servers around the world that store identical, up-to-date versions of R code and documentation. This centralized, yet distributed, system is fundamental to R’s 生態系これにより、世界中のユーザーが容易にアクセスでき、再現性を確保できます。

















