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DESCRIPTION
R is a language and environment for statistical computing and graphics. It is a GNU project which 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. R can be considered as a different implementation of S. There are some important differences, but much code written for S runs unaltered under R.

R provides a wide variety of statistical (linear and nonlinear modelling, classical statistical tests, time-series analysis, classification, clustering, ...) and graphical techniques, and is highly extensible. The S language is often the vehicle of choice for research in statistical methodology, and R provides an Open Source route to participation in that activity.

One of R's strengths is the ease with which well-designed publication-quality plots can be produced, including mathematical symbols and formulae where needed. Great care has been taken over the defaults for the minor design choices in graphics, but the user retains full control.

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WHAT'S NEW
Version 2.9.1 release notes are available.
REQUIREMENTS
Mac OS X 10.4.4 or later, X11 system manager (optional). Gnu g77 compiler and tcltk libraries included with the installer


SCREENSHOT

Developer:R Core Team
Downloads:11,254
  - Version d/l:401
Education:Science
License:Free
Date:26 Jun 2009
Platform:PPC/Intel
RATING
****½
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R for Mac OS X User Reviews (4 posts)Write A Review
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Mar 24 2009
*****

JOACHIMR  Top-notch statistical analysis software for an unbeatable price. You do have to invest some time to learn how to work it, but that's well worth the price of admission. Many statistical tools become available on this platform way before others (much more costly ones). It is supported by a wide, global user and programmer base. Get yourself a book to learn how to use it if you are not the adventurous or "I'd rather do this with a command-line" type.  
(Version 2.8.1)

praisebury
+2
[ Reply ]
May 25 2006

UMIJIN  I downloaded the package, ran the installer and after starting R, the app remains in 'loading R' status interminably. I have to 'force quit' R to get out of it.

I'm running a 20" G5 iMac with OSX10.4.6

Any idea of what the problem is?  
(Version 2.3)

praisebury
0
[ 1 Reply - Reply ]
Replies:
May 25 2006

UMIJIN  I rebooted my Mac and R starts up quickly. But the text screen shows several repetitions of:

Error loading /Library/QuickTime/DivX 6 Decoder.component/Contents/MacOS/DivX 6 Decoder:...  
(Version 2.3)

praisebury
-1

Oct 22 2004
****½

RONAN  A significant upgrade. The interface is now a lot less baffling. The most immediately-visible changes affect the ease with which you can see what is in your workspace and how easily you can access help files.

R is powerful, but has hitherto been daunting in its minimalist interface. This is still a package for the professional, but is now going to be a lot easier to get to grips with.   
(Version 2.0.0)

praisebury
+1
[ Reply ]
Oct 22 2004
****½

SHIN WACHI  One of the most robust and powerful statistical package that just happens to be free, as well. Most of its power comes from command line interface, but the object browsers can't hurt. Is it just me or it tends to run a lot faster when run directly from terminal app?  
(Version 2.0.0)

praisebury
+1
[ Reply ]