Glad you were amused. I assume that "booking this as a fortune" means that this was an idiotic way to model the data?
MARS? Boosted Regression Trees? Any of these a better choice to extract significant predictors (from a list of about 44) for a measured dependent variable? -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Ted Harding Sent: Saturday, September 27, 2008 4:30 PM To: [EMAIL PROTECTED] Subject: Re: [R] FW: logistic regression On 27-Sep-08 21:45:23, Dieter Menne wrote: > Frank E Harrell Jr <f.harrell <at> vanderbilt.edu> writes: > >> Estimates from this model (and especially standard errors and >> P-values) >> will be invalid because they do not take into account the stepwise >> procedure above that was used to torture the data until they >> confessed. >> >> Frank > > Please book this as a fortune. > > Dieter Seconded! Ted. -------------------------------------------------------------------- E-Mail: (Ted Harding) <[EMAIL PROTECTED]> Fax-to-email: +44 (0)870 094 0861 Date: 27-Sep-08 Time: 23:30:19 ------------------------------ XFMail ------------------------------ ______________________________________________ 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. No virus found in this incoming message. Checked by AVG - http://www.avg.com 6:55 PM ______________________________________________ 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.
