On æ, 2004-10-11 at 15:54 +0100, Prof Brian Ripley wrote: > On Mon, 11 Oct 2004, Stuart Luppescu wrote: > 0) Do use extractor function like coef() and df.residual(). > > 1) for the 100 fits try using the default interface, not the formula one. > > 2) df.residual is not a relevant concept, and the coefficients are not > t-distributed. Where did you read that it had? > > You can try a normal approximation, but beware it may be rough. If you > look up MASS4 (the book this software supports) you will see better ideas > illustrated.
Thanks to Brian Ripley, Andy Liaw and Peter Dalgaard for their help on this. One problem I still have is with the distribution of the coefficients. I don't have MASS4 (only MASS1, MASS2 and MASS3), but I couldn't find anything in MASS3. -- Stuart Luppescu -=- s-luppescu .at. uchicago.edu University of Chicago -=- CCSR 才文と智奈美の父 -=- Kernel 2.6.8-gentoo-r3 "But the true threats to stability and peace are those nations that are not very transparent, that hide behind the --- that don't let people in to take a look and see what they're up to. They're very kind of authoritarian regimes. The true ______________________________________________ [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
