[R] Fwd: Fwd: R help

[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 going through an introductory book.  There are many,
my personal favorite is: "Introductory Statistics with R" by Peter
Dalgaard

Cheers,

Josh

On Sun, Nov 21, 2010 at 3:28 PM, Ahmed Attia <ahmedatia80 at gmail.com> wrote:
> On 11/21/10 11:24, Ahmed Attia wrote:
>> ---------- Forwarded message ----------
>> From: Ahmed Attia <ahmedatia80 at gmail.com>
>> Date: Sun, Nov 21, 2010 at 11:06 AM
>> Subject: R help
>> To: r-help at r-project.org
>>
>>
>> Dear All,
>>
>> I'm a beginner user in R and I would like to make a quadratic plus plateau and linear plus plateau modelsin R. Can you help please with an example?
>>
>> Thanks so much
>>
>>
>>
>> --
>> Ahmed M. Attia
>> Assistant Lecturer
>> El-Khattara farm Station
>> Agronomy Dept.,
>> Zgazig Univ., Egypt
>> Visiting Scientist
>> Haskell Agricultural laboratory
>> Agronomy and Horticultural Dept.,
>> Univ. of Nebraska-Lincoln
>> ahmedatia at zu.edu.eg
>> aattiamohamed2 at unlnotes.unl.edu
>> Cell phone: 4023604178
[snip extra signatures]

-- 
Joshua Wiley
Ph.D. Student, Health Psychology
University of California, Los Angeles
http://www.joshuawiley.com/