[R] R Reference Card and other help (especially useful for Newbies)

Berton Gunter gunter.berton at gene.com
Wed Jun 21 17:42:40 CEST 2006

Hi all:

Happy summer solstice to all northern hemispherics (and winter solstice to
the southerners).
Newbies (and others!) may find useful the R Reference Card made available by
Tom Short and Rpad at http://www.rpad.org/Rpad/Rpad-refcard.pdf  or through
the "Contributed" link on CRAN (where some other reference cards are also
linked). It categorizes and organizes a bunch of R's basic, most used
functions so that they can be easily found. For example, paste() is under
the "Strings" heading and expand.grid() is under "Data Creation." For
newbies struggling to find the right R function as well as veterans who
can't quite remember the function name, it's very handy.

Also don't forget R's other Help facilties:

help.search("keyword or phrase") to search the **installed man pages **

RSiteSearch("keyword or phrase") to search the CRAN website via Jonathan
Baron's search engine. This can also be done directly from CRAN by following
the "search" link there.

And, occasionally, find()/apropos() to search **the attached session
packages** for functions using rexexp's.

Though R certainly can be intimidating, please **do** try these measures
first before posting questions to the list. And please **do** read the other
basic R reference materials. Better and faster answers can usually be found
this way.
-- Bert Gunter
Genentech Non-Clinical Statistics
South San Francisco, CA
"The business of the statistician is to catalyze the scientific learning
process."  - George E. P. Box

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