I am not sure exactly what you want but see if this will work. It will give you a dotchart.
Assume your data.frame is dat First give the lessons column a name. See ?names convert numbers in data.frame to a matrix for dotchart dmat <- as.matrix(dat[,2:4]) Draw dotchart using dat$lessons as a dotchart(dmat, labels = dat[,1]) --- cross123 <[EMAIL PROTECTED]> wrote: > > Hello everyone, > I have a set of data in the following form, which > are stored in an Excel > file: > nick john peter > > lesson1 0.465 0.498 0.473 > lesson2 0.422 0.44 0.134 > lesson3 0.45 0.35 0.543 > > lesson4 0.590 0.64 0.11 > > lesson5 0.543 0.5 0.32 > > > What I want to do is a 2d-graph plot where I will > have the name of the > student in the X-axis and the name of the lesson in > the Y-axis and the > number from each pair will be used to construct the > plot. > I am newbie with R and I don't know which package > shall I use nor the > commands with which I will import my data in R so > that the plot will be > created... > > Any help would be greatly appreciated. ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.