A collection of Frequently Asked Questions and their answers is maintained by Kurt Hornik and can be found at the URL
Thanks to Martin Maechler there are number of mailing lists which are used by R users and developers. They are
- announcements of new R releases or applications;
- general inquiries and discussion about R;
- discussions about the future of R and pre-testing of new versions.
To subscribe (or unsubscribe) to these mailing lists send
unsubscribe) in the body of the
message (not in the subject!) to
The Comprehensive R Archive Network (CRAN) is a collection of sites which carry identical material, consisting of the R distribution(s), the contributed extensions, documentation for R, and binaries. It is currently mirrored daily at
Many of these sites can also be accessed using FTP. In the interests of preserving international bandwidth please use a site near you if possible.
The CRAN master site at TU Wien, Austria, can be found at the URLs
and is also available for anonymous rsync at
R has a bug-tracking system (or perhaps a bug-filing system is a more precise description) available on the net at
and via e-mail to email@example.com. The R function
bug.report() can be used to invoke an editor from a within an R
session and send the report to the right address. It also fills in some
basic information, such as your R version and operating system, which
has proved helpful in the debugging process.
The source distribution has a file
BUGS at the top level giving a
summary of the entries at the time this distribution was prepared.