[R] Split plot in colors/pch??

[Fredrik Karlsson]

Thank you Joerg, but that was not quite what I wanted.
What I was asking was how to plot d$x ~ d$y split into separate colours
depenging on a third variable (such as for instance
d$gender=c(F,F,M,M,F,F,M,M)).

So, I want to plot x~y where gender==F in one colour and gender==M in
another.

Hope that califies my question.

/Fredrik

On Fri, Mar 01, 2002 at 01:42:53PM +0100, Joerg Maeder wrote:
> Hi Fredrik,
> 
> here is a very small example that should show the way to do it
> 
> d <- data.frame(x=c(1,2,3,4,5,6,4,3),y=1:8,g=c(1,2,1,2,3,1,2,3))#g
> defines the group (color)
> co <- c('red','green','blue')
> plot(d$x,d$y,col=co[d$g])
> 
> same way for pch
> 
> gruess
> 
> joerg
> 
> 
> Fredrik Karlsson wrote:
> > 
> > Hi all
> > 
> > This seems like a very easy question, but I have not found a simple
> > answer to it:
> > 
> > If you have a dataframe, how to you plot two of then in different colors
> > depending on a third variable?
> > 
> > All help appreciated!
> > 
> > /Fredrik
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> -- 
> Joerg Maeder    .:|:||:..:.||.::   maeder at atmos.umnw.ethz.ch
> Tel: +41 1 633 36 25   .:|:||:..:.||.::   
> http://www.iac.ethz.ch/staff/maeder
> PhD student at INSTITUTE FOR ATMOSPHERIC AND CLIMATE SCIENCE (IACETH)
> ETH ZÜRICH Switzerland
> 

-- 
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Fredrik Karlsson, Research Student

Department of Philosophy and Linguistics
Umeå University
S-901 87 UMEÅ
SWEDEN
Tel: +46 90 786 56 84   Web: http://www.ling.umu.se/~fredrik/
Fax: +46 90 786 63 77   Email: fredrik at ling.umu.se
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