[R] supplying dynamic main argument to plot?

2006-06-27 Thread Afshartous, David 
All,
 
Simple question but I don't seem to be able to find the answer in the
documentation:
When using plot within a loop, is there any way to supply the argument
to main dynamically, 
i.e., so that the title is Patient k below as the loop cycles through
each value of k?
 
plot(x,y, xlim=c(0,250), ylim=c(0,1000), xlab=gamma, ylab=r1,
main=Patient k)
 
 
thanks
dave
ps - I'm running windows.
 
  

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Re: [R] supplying dynamic main argument to plot?

2006-06-27 Thread Richard M. Heiberger 
It is easy to control the main title with plot, but you will
get much better looking plots if you use xyplot.

library(lattice)
tmp - data.frame(x=rnorm(100),
  y=rnorm(100,4,2),
  ID=paste(Patient, rep(1:5, rep(20,5
xyplot(y ~ x | ID, data=tmp)


Rich

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Re: [R] supplying dynamic main argument to plot?

2006-06-27 Thread Francisco J. Zagmutt 
Hi Dave,

Try using paste within main i.e.

x=rnorm(100)
y=runif(100)
k=sample(1:10,10, replace=T)

for(i in k){
  plot(x,y, xlab=gamma, ylab=r1, main=paste(Patient, i, sep= ))
  Sys.sleep(1)
  }


In this eaxmple I am just plotting the same x,y values on each figure but 
you can easily plot the observations for each patient by subetting your data 
by the K variable. See ?[ for more details on subsetting.

I hope this helps

Francisco


Dr. Francisco J. Zagmutt
College of Veterinary Medicine and Biomedical Sciences
Colorado State University




From: Afshartous, David [EMAIL PROTECTED]
To: Afshartous, David [EMAIL PROTECTED],
r-help@stat.math.ethz.ch
Subject: [R] supplying dynamic main argument to plot?
Date: Tue, 27 Jun 2006 16:19:12 -0400

All,

Simple question but I don't seem to be able to find the answer in the
documentation:
When using plot within a loop, is there any way to supply the argument
to main dynamically,
i.e., so that the title is Patient k below as the loop cycles through
each value of k?

plot(x,y, xlim=c(0,250), ylim=c(0,1000), xlab=gamma, ylab=r1,
main=Patient k)


thanks
dave
ps - I'm running windows.



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