R help - Apr 2009 - overlaying several subsets of data frame in pairs plot

Hello
I have a multivariate data frame giving various responses for several  
treatments. I would like to plot the relationship in the responses in  
a pairs plot with different symbols for the different treatments. In a  
regular plot I would have used  'matplot' or just added the new  
treatments with the 'points' function. But how to do it in a pairs plot?
Thank you for your help
Best
Marion Dumas

Dear Marion,
Take a look at the first example in ?pairs.

HTH,

Jorge


On Thu, Apr 30, 2009 at 7:21 AM, Marion Dumas <mariouka@gmail.com> wrote:
> Hello
> I have a multivariate data frame giving various responses for several
> treatments. I would like to plot the relationship in the responses in a
> pairs plot with different symbols for the different treatments. In a
regular
> plot I would have used  'matplot' or just added the new treatments
with the
> 'points' function. But how to do it in a pairs plot?
> Thank you for your help
> Best
> Marion Dumas
>
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