how to get a line plot before/after treatment
Frank -
Roughly speaking:
matplot(c(0,10), rbind(before, after), type="l", axes=F, xlab="time",
ylab="measurement")
axis(2)
axis(1, c(0,10), c("before","after"))
Should do the job, if I interpret correctly the plot you have in mind.
See help("matplot") : Details, and many pages of help("par") for ways
to modify and decorate the basic plot.
- tom blackwell - u michigan medical school - ann arbor -
On Wed, 28 May 2003, Frank Mattes wrote:
Dear R help-list reader, I would like to generate a plot which compares to states in a patient treatment, before and after. for this reason I have generated a vector before<-c(1,30,23,40) and after<-c(20,10,20,60) the first element in "before" corresponds to the first element in "after". I would like and generate a dotplot with before and after as x-scale, the elements of "before" and "after" on the y-scale and the corresponding elements connected with a line. However, so far I couldn't figure out how to do this in R. If anyone as a suggestion, please let me know Many thanks Frank -- Frank Mattes, MD e-mail: f.mattes at ucl.ac.uk Department of Virology fax 0044(0)207 8302854 Royal Free Hospital and tel 0044(0)207 8302997 University College Medical School London
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