Have you checked the Robust task view on CRAN?? Would seem that that should have been the first place to look.
-- Bert On Sun, Oct 7, 2012 at 3:30 PM, Eiko Fried <tor...@gmail.com> wrote: > Thank you Jeff! Please ignore the first of my two questions then, and > apologies for not making it clear that my second question was about R. > > (2) "Are there ways of using robust regressions with ordered data" ... in > R? > > Thank you > > > On 7 October 2012 18:26, Jeff Newmiller <jdnew...@dcn.davis.ca.us> wrote: > >> This does not appear to be a question about R. You should post in a list >> or forum dedicated to discussing statistics theory, such as >> stats.stackoverflow.com. >> --------------------------------------------------------------------------- >> Jeff Newmiller The ..... ..... Go Live... >> DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live >> Go... >> Live: OO#.. Dead: OO#.. Playing >> Research Engineer (Solar/Batteries O.O#. #.O#. with >> /Software/Embedded Controllers) .OO#. .OO#. rocks...1k >> --------------------------------------------------------------------------- >> Sent from my phone. Please excuse my brevity. >> >> Eiko Fried <tor...@gmail.com> wrote: >> >> >I have two regressions to perform - one with a metric DV (-3 to 3), the >> >other with an ordered DV (0,1,2,3). >> > >> >Neither normal distribution not homoscedasticity is given. I have a two >> >questions: >> > >> >(1) Some sources say robust regression take care of both lack of normal >> >distribution and heteroscedasticity, while others say only of normal >> >distribution. What is true? >> >(2) Are there ways of using robust regressions with ordered data, or is >> >that only possible for metric DVs? >> > >> >Thanks >> >Torvon >> > >> > [[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. >> >> > > [[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. -- Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm ______________________________________________ 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.