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R package listed on CRAN but not in available package

I want to install a package that is listed in https://cran.r-project.org/web/packages/available_packages_by_name.html as available in CRAN, but when I check in R the install packages menu or the available.packages() command, I can't see the package there.

Do I need to do something different to install those packages? Why aren't those packages available?

The packages I'm interested on are WikipediR ( https://cran.r-project.org/web/packages/WikipediR/index.html ), WikidataR and WikipediaR.

If it matters, I'm using R 2.15.0 in Windows XP.

Solution

  • See the documentation for ?available.packages...

    By default, the return value includes only packages whose version and OS requirements are met by the running version of R, and only gives information on the latest versions of packages.

    In other words... your R 2.15 is likely too old for the package you are looking to download.