Apologies for my previous response appearing twice on the list. I first accidentally sent it from an address not subscribed to the list, so I thought it would not get through, and then re-sent it from the subscribed address. It seems both got to the list.
Sorry. Ted. -------------------------------------------------------------------- E-Mail: (Ted Harding) <[EMAIL PROTECTED]> Fax-to-email: +44 (0)870 094 0861 Date: 20-Mar-07 Time: 19:11:24 ------------------------------ XFMail ------------------------------ ______________________________________________ [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 and provide commented, minimal, self-contained, reproducible code.
