Fernando De Sales <fhds2000 <at> yahoo.com> writes: > > I have moved the figure to the link below. thank
Try again. Better than providing the link for the picture, make the example self-running by providing a fake data set that shows the problem. Dieter ______________________________________________ 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.