How to search the documentation of all CRAN packages

April 5, 2011

(This article was first published on Revolutions, and kindly contributed to R-bloggers)

Ever tried to find a specific function or algorithm in R that you're sure that someone has implemented in a CRAN package, but you don't know which one? Now you can find it, in the R Packages section of R community site

The R Packages section now includes the ability to browse and search help files from R packages. Use the letter index to search for a particular package (say, ggplot2), and click on the Package Reference tab to browse the functions within the package:

Package reference tab

Alternatively, search the documentation of all packages using the search box at top right:


To find packages (listed under "Crantastic Package" — package ratings and comments are provided by or functions (listed under "Contributed Package R Documentation Page") that match your search criteria:

Search results

If you find a function useful, you can share that information with others (including the package author) by commenting on the function page.

Inside-R: R Packages

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