I assume the blanks are actually NAs? If so, try something like (say `df' is the data frame):
matplot(df$X, df[,-1], pch=1:3) or refer to the help page for matplot() for more options. Andy > From: [EMAIL PROTECTED] > > Dear list members, > I have a probably simple question concerning scatterplots: I want to > draw a plot with one X but several Y columns, so that every group > of samples gets a different symbol. My table looks like this: > > X Y1 Y2 Y3 > 1 1 > 2 3 > 3 5 > 4 7 > 5 9 > 6 11 > 7 13 > 8 15 > > Simple in Excel or StarOffice, but how do I do it in R? > > Thanks a lot > > Judith > > ______________________________________________ > [EMAIL PROTECTED] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > > ______________________________________________ [EMAIL PROTECTED] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
