On Sat, Apr 19, 2008 at 1:06 PM, Tobias Verbeke <[EMAIL PROTECTED]> wrote: > Anna-Maria Tyrisevä wrote: > > > please, could somebody tell me how can I superpose a group of x,y-plot > > points (using different symbols) that belong to a certain class of factor > z? > > Can't find a solution despite of hours of reading. > > x <- rnorm(30) > y <- rnorm(30) > f <- factor(sample(LETTERS[1:5], 30, replace = TRUE))
Or with legends as well: install.packages("ggplot2") library(ggplot2) qplot(x, y, colour = f) qplot(x, y, shape = f) Hadley -- http://had.co.nz/ ______________________________________________ R-help@r-project.org 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.