if you plot(model)
one of the graphs should be leverage. I imagine if you str(model) you can probably pull out the leverage part of the model and just plot that. Stephen Sefick On Tue, Mar 3, 2009 at 5:36 PM, choonhong ang <angie.bear...@gmail.com> wrote: > Hi friends, > > How to detect outliers and high leverage points for GLM ? > > Could I use plot(model) > (i) "Residuals vs Fitted" graph to detect the outliers ? > (ii) "Residuals vs Leverage" graph to detect the high leverage points ? > And then remove those points from the data and re-run the model ? > > [[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. > -- Stephen Sefick Let's not spend our time and resources thinking about things that are so little or so large that all they really do for us is puff us up and make us feel like gods. We are mammals, and have not exhausted the annoying little problems of being mammals. -K. Mullis ______________________________________________ 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.
