On the 64-bit part, I tested 2.7.0 on a Dual Core Lenovo ThinkPad and was able 
to allocate memory beyond 2G. Have not done much else otherwise but it seems to 
work just fine.

H

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Monica Pisica
Sent: Thursday, May 22, 2008 9:00 AM
To: r-help@r-project.org
Subject: [R] Pros and Cons of R


Hi,

I am doing a very informal presentation for my office about R capabilities to 
deal with and analyze spatial data, display data and maps, and connections with 
GIS. I've used in my presentation info from the CRAN, the spatial Task view, 
and the more striking graphics examples from 
http://addictedtor.free.fr/graphiques/thumbs.php and NCEAS 
http://www.nceas.ucsb.edu/scicomp/GISSeminar/UseCases/MapProdWithRGraphics/OneMapProdWithRGraphics.html
 together with examples of my own work.

I am finishing with pros and cons about R and I am wondering if you can come up 
with other examples, or comments. Here they are:

Pros:

- R is a programming environment well suited for statistical analysis.
- R is open source and cross platforms (Windows, Mac, Linux).
- Fortran, C (C++), and Python wrappers are in place.
- Deals well with spatial data, has a robust graphical interface and has an 
active user group list / forum.
- External packages for R are almost daily increasing, most of them based on 
published up-to-date books and peer-reviewed articles.
- R related books - quite a few ....

Cons:

- R has a very steep learning curve.
- There is no perfect "beginner" book.
- Experience with other programming languages is a plus / minus.
- You can save scripts, but not *.exe.
- It is updated several times a year (good) but there are no up-grades.
- It seems that it is hard to install correctly under Linux.
- Everything you want to do is a command line, minimal GUI.
- Memory management problems (depends on your OS), especially when displaying 
big images at high resolution or working with huge matrices (hundreds of Mb).

Also i am wondering if R works under 64 bit computers and if it takes advantage 
of it.

Thanks,

Monica

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