[R] Unexplained behavior of level names when using ordered factors in lm?
Steve Lianoglou
mailinglist.honeypot at gmail.com
Fri Dec 2 18:22:47 CET 2011
Hi Bert,
Since you opened the door ...
On Fri, Dec 2, 2011 at 10:06 AM, Bert Gunter <gunter.berton at gene.com> wrote:
> ?ordered
> ?C
> ?contr.poly
>
> If you don't know what polynomial contrasts are, consult any good
> linear models text. MASS has a good, though a bit terse, section on
> this.
Do you have a "favorite" liner model text with a bit more exposition than MASS?
Even though this list isn't for teaching stats, whenever I can catch
some of the tried and true statisticians talking about texts on
specific subject matter, I like to take advantage of it to see what I
need to add to my amazon wish list to help sharpen the old saw :-)
Thanks,
-steve
--
Steve Lianoglou
Graduate Student: Computational Systems Biology
| Memorial Sloan-Kettering Cancer Center
| Weill Medical College of Cornell University
Contact Info: http://cbio.mskcc.org/~lianos/contact
More information about the R-help
mailing list