Because it does. I should have looked ahead a few chapters in the book before I asked the question. However, I can't seem to reproduce the values of the hat matrix given by R for the weighted fit example I gave. Any suggestions (other than looking ahead a few more chapters)?
Tom [[alternative HTML version deleted]] ______________________________________________ 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.