[R] FW: logistic regression
Darin Brooks
kfmgis at telus.net
Sun Sep 28 01:24:26 CEST 2008
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: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On
Behalf Of Ted Harding
Sent: Saturday, September 27, 2008 4:30 PM
To: r-help at stat.math.ethz.ch
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) <Ted.Harding at manchester.ac.uk>
Fax-to-email: +44 (0)870 094 0861
Date: 27-Sep-08 Time: 23:30:19
------------------------------ XFMail ------------------------------
______________________________________________
R-help at 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
More information about the R-help
mailing list