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R
is a language and environment for statistical computing and
graphics. It is similar to the S language and environment
which was developed at Bell Laboratories (formerly AT&T,
now Lucent Technologies) by John Chambers and colleagues.
The language R is installed on abel. For MacOSX and Windows, get it
here.
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For an introduction, start
here.
On Unix (Solaris, Linux or OS 10) R is started in a terminal
with
R
You quit the program with
q()
at the R command line prompt. As usual, the command line interface (CLI)
is more powerful and flexible then the graphical user interface (GUI).
A good start is to type
demo()
after starting up R. For example, to see some graphics demos, type
demo()
Here is a trivial sample sessions,
which generates a normal distributed data sets, prints statistical
properties and plots some data points.
x <- rnorm(50)
summary(x)
plot(x)
q()
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