C.H. wrote:
Dear R Gurus,
I have a problem related to plot.
For example, I have two variables, pre and post.
pre <- c(1,2,3,4,5)
post <- c(2,5,7,2,3)
How can I plot a line graph similar to this one?
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1847566&rendertype=figure&id=F1
Would you please provide me a keyword so that I can search. I don't
know what is the name of this type of graph.
Hi Chainsaw (both my wife and I like chainsaws),
I would use lines - I don't know of any specific function that will do this.
pp.mat<-cbind(pre,post)
plot(1:2,c(1,7),type="n",xaxt="n")
axis(1,at=1:2)
apply(pp.mat,1,lines)
Jim
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