On 2/15/07, Deepayan Sarkar <[EMAIL PROTECTED]> wrote: > On 2/14/07, Roberto Perdisci <[EMAIL PROTECTED]> wrote: > > > if I use > > groups = groups > > instead of > > groups = as.symbol(groups) > > > > shomthing is plotted, but not the correct scatterplot. > > Try groups = eval(as.name(groups))
groups = eval(as.name(groups)) does exactly what I was looking for :) and then I noticed that groups = eval(as.symbol(groups)) works as well thank you, Roberto > Deepayan > > > I think the problem is that I don't cast the 'groups' variable to the > > correct type. Besides as.symbol() I tried also as.expression(), > > because ?xyplot says "groups: a variable or expression to be evaluated > > in the data frame specified by 'data'". > > What is the correct type? What as.* should I use? > > > > thank you, > > regards, > > Roberto > > > > ______________________________________________ > > 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. > > > ______________________________________________ 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.