[R] looking for a plot function

Wed Apr 6 23:14:29 CEST 2005

I am not sure about the scaling, but doing simply

matplot(xa, t(dfr), type="b")

does most of what you want.

Andy

__________________________________
Andy Jaworski
518-1-01
Process Laboratory
3M Corporate Research Laboratory
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             "Doran, Harold"                                               
             <HDoran at air.org>                                              
             Sent by:                                                   To 
             r-help-bounces at st         "bogdan romocea"                    
             at.math.ethz.ch           <br44114 at yahoo.com>,                
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             04/06/2005 03:24                                              
             PM                                                    Subject 
                                       RE: [R] looking for a plot function 

If your data were in the long format you could use interaction.plot.
But, I think trellis plots in lattice are much better than this
approach.

-----Original Message-----
From: r-help-bounces at stat.math.ethz.ch
[mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of bogdan romocea
Sent: Wednesday, April 06, 2005 4:19 PM
To: r-help at stat.math.ethz.ch
Subject: [R] looking for a plot function

Dear useRs,

I have a data frame and I want to plot all rows. Each row is represented
as a line that links the values in each column. The plot looks like
this:

dfr <- data.frame(A=sample(1:50,10),B=sample(1:50,10),
             C=sample(1:50,10),D=sample(1:50,10))
xa <- 10*1:4
plot(c(10,40),c(0,50))
for (i in 1:nrow(dfr)) {
             lines(xa,dfr[i,],pch=20,type="o")
             }

Things get more complicated because I want the columns to be rescaled so
as to fit nicely on a graph (for example if A has values between 0 and
100 but B has values between 100 and 1000, then rescale A or B), labels
etc. Is there a function that can do plots like this?

Thank you,
b.

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