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      R Version 0.49 for NEXTSTEP version 3.3 (M68k and Intel)
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This is a NEXTSTEP port of the R language for statistical programming.
Included is beta version 0.49 which includes numerous improvements and 
enhancements over prior releases.

About R:

R is an extremely powerful (and fast) alternative to commercial statistics 
packages such as S-PLUS, SAS and SPSS. Read the README file, "R.ps"
Postscript document and man page (R.1) included with this distribution
to find out more about R. Note that users of S and S-PLUS will find R
very easy to use. If you don't know S, check out "The New S Language"
(Becker R, Chambers J, Wilks A;  Wadsworth, 1988) to help you get started.
For more info, visit the R homepage at
	http://www.stat.auckland.ac.nz/rproj.html
There are also a number of "CRAN" ftp distribution sites for source
code and supporting programs (listed on the R home page).

Installation:

To install R, unpack the distribution in an accessible place 
(e.g. /usr/local/ or ~/Apps). The "RHOME" directory created will be
named "R-0.49". Place the R-0.49/bin/R start-up script somewhere 
on your path (e.g. /usr/local/bin, ~/bin) and modify to set the "RHOME"
variable to point to the chosen installation path. Install the man
page (R.1) in /usr/local/man/man1 or /usr/man/man1.

Running R:

After installation, type "R" from a UNIX shell prompt to start.
X Windows is required to view graphics. I have used R successfully with both
CubXWindows and co-Xist X11 emulation under NEXTSTEP (versions 3.2 - 3.3). 
R will run from any shell (e.g. Terminal or Stuart), but graphics will have
to be written out using the postscript() function. R also accepts commands 
from std. input and writes to std. output. All of the available functions are 
listed in the help directory. The help files are viewed by typing 
"help(function_name)" at the R prompt. New functions are  defined exactly as
in S. Quit R by typing q(). If requested, an image of the current session
(including the command history) will be saved in the file ".RData" in the
current directory. This will automatically be read in the next time R is 
invoked in this directory.

Enhancements in version 0.49 for NEXTSTEP:

	- all available patches as of June, 1997 are included

	- includes GNU readline support (past commands are saved and can
	  be viewed and edited with the arrow and backspace keys)

	- the following additional S-PLUS functions have been compiled into
	  this binary (NEXTSTEP doesn't support dynamic loading):

		- acepack: ACE and AVAS regression library (L. Breiman, R. Tibshirani)

		- survival4: survival analysis function library (T. Therneau)

		- gee: (generalized estimating equation) regression (V. Carey)

		- splines: spline regression function library (D. Bates)

		- bootstrap:  bootstrap utilities (B. Efron, R. Tibshirani)

		- integrate: numerical integration functions

		- date: date handling utilities (for the survival4 package)

		- ctest: miscellaneous standard statistical tests

		- local: miscellaneous functions including isotonic regression

These additional function libraries are accessed from within R using the
"library()" call (e.g. library(bootstrap)). Look in R-0.49/help
to view the available functions.


DISCLAIMER:

I have only tested the binary under NS 3.2 - 3.3 on m68K and Intel architecture.
However, there may be bugs, so use at your own risk! If you want to build R
for another architecture or for OPENSTEP, you can get the source from one of
the CRAN distribution sites.


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Stephen Shiboski                          email: steve@biostat.ucsf.edu
Division of Biostatistics                 voice: 415-476-0533
University of California San Francisco    fax:   415-476-6014
500 Parnassus Avenue, MU 420-W;  San Francisco, CA 94143-0560
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