[R] Fwd: Fwd: R help

2010-11-21 Thread Ahmed Attia
On 11/21/10 11:24, Ahmed Attia wrote: -- Forwarded message -- From: Ahmed Attia ahmedati...@gmail.com Date: Sun, Nov 21, 2010 at 11:06 AM Subject: R help To: r-help@r-project.org Dear All, I'm a beginner user in R and I would like to make a quadratic plus plateau and

Re: [R] Fwd: Fwd: R help

2010-11-21 Thread Joshua Wiley
Dear Ahmed, Can you give a more specific example of what you want to do? Do you mean you want to test specific contrasts for a categorical variable? If you are new to R, you will find it helpful to read the Introduction to R http://cran.r-project.org/doc/manuals/R-intro.html I also recommend

Re: [R] Fwd: Fwd: R help

2010-11-21 Thread Mike Marchywka
Date: Sun, 21 Nov 2010 16:01:44 -0800 From: jwiley.ps...@gmail.com To: ahmedati...@gmail.com CC: r-help@r-project.org Subject: Re: [R] Fwd: Fwd: R help Dear Ahmed, Can you give a more specific example of what you want to do? Do you mean you