As CRAN, it has its own submission and review processes, and its community is very active having several conferences and meetings per year. Bioconductor: this is a topic specific repository, intended for open source software for bioinformatics.The R foundation coordinates it, and for a package to be published here, it needs to pass several tests that ensure the package is following CRAN policies. CRAN: the official repository, it is a network of ftp and web servers maintained by the R community around the world.Three of the most popular repositories for R packages are: Although you or your organization might have a local repository, typically they are online and accessible to everyone. ![]() What are Repositories?Ī repository is a place where packages are located so you can install them from it. Note that you can also click here to see the DESCRIPTION file.īesides finding the DESCRIPTION files such as or, you can also access the description file inside R with the command packageDescription("package"), via the documentation of the package help(package = "package"), or online in the repository of the package.įor example, for the “stats” package, these ways will be: packageDescription("stats") The basic information about a package is provided in the DESCRIPTION file, where you can find out what the package does, who the author is, what version the documentation belongs to, the date, the type of license its use, and the package dependencies. Typically, a package will include code (not only R code!), documentation for the package and the functions inside, some tests to check everything works as it should, and data sets. A package is a suitable way to organize your own work and, if you want to, share it with others. In any case, welcome to this introduction to R packages and how to use them! 1. If you are a more experienced user, you can always learn something new (like the name of the three packages I just mentioned in the previous paragraph).
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