>> -----Original Message-----
> You need to read the "An Introduction to R" manual which was probably > installed when you installed R on your un-named OS (Windows, I take it). yes, i did find what i needed there. thanks you. john ______________________________________________ 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.