Hi, this is not a problem of R it is a problem of the pdf viewer.
Solution: just use an alternative pdf viewer like gsview or (even simpler) SumatraPDF.
Hope it helps Thomas P. ______________________________________________ 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.