[R] Newbie guide for plot & graphics functions?

Christophe Pouzat christophe.pouzat at univ-paris5.fr
Fri Jul 15 16:41:40 CEST 2005


If you have a little bit of time, check out Ross Ihaka's Lectures on 
"Information Visualisation". The specific examples he gives are built 
with R:

http://www.stat.auckland.ac.nz/~ihaka/120/

Time could be required because this stuff is so great that you want to 
read all of it...

Christophe.

Pete Cap wrote:

>Hello all,
>
>Can anyone point me to a decent introduction to using the plotting and assorted graphics functions in R?
> 
>I keep getting simple errrors and I can't figure out why, for example:
> 
>  
>
>>image(x,y,z)
>>    
>>
>Error in image.default(x, y, z) : dimensions of z are not length(x)(+1) times length(y)(+1)
>  
>
>>length(x)
>>    
>>
>[1] 206
>  
>
>>length(y)
>>    
>>
>[1] 40
>  
>
>>dim(z)
>>    
>>
>[1] 207  41
>
> 
>It seems to me as if R is wrong--the matrix z is obviously of length(x)+1 times length(y)+1--but just as obviously I'm missing something essential.  Are there any "newbie" guides out there for getting started?
>TIA,
> 
>Pete
>
>
>		
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>
>
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>
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-- 
A Master Carpenter has many tools and is expert with most of them.If you
only know how to use a hammer, every problem starts to look like a nail.
Stay away from that trap.
Richard B Johnson.
--

Christophe Pouzat
Laboratoire de Physiologie Cerebrale
CNRS UMR 8118
UFR biomedicale de l'Universite Paris V
45, rue des Saints Peres
75006 PARIS
France

tel: +33 (0)1 42 86 38 28
fax: +33 (0)1 42 86 38 30
web: www.biomedicale.univ-paris5.fr/physcerv/C_Pouzat.html




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