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1. Burned by factors (score: 1): Author: "Kevin Wright" <kw.statr@gmail.com>; Date: Wed, 5 Mar 2008 12:12:18 -0600; One place I find factors nice is when I create trellis plots of subsets of data. Factors keep the panels in the same place on the page across different subsets of data, even in the situation that one; /archives/html/s-news/2008-03/msg00017.html (8,264 bytes)
2. Re: Burned by factors (score: 1): Author: "Douglas Bates" <bates@stat.wisc.edu>; Date: Sat, 15 Mar 2008 15:10:11 -0500; Perhaps that is why it is a good idea to check the structure of a data frame *before* beginning an analysis with it. Even in my introductory classes I emphasize that the first thing you always do wit; /archives/html/s-news/2008-03/msg00033.html (10,261 bytes)
3. Re: Burned by factors (score: 1): Author: <Bill.Venables@csiro.au>; Date: Sun, 16 Mar 2008 10:47:43 +1000; I agree with Doug 150%. You should think of this as a learning experience and grow from it rather than get all upset about S being not "what you see is what you get". S is more than that, other syste; /archives/html/s-news/2008-03/msg00036.html (11,289 bytes)
4. Re: Burned by factors (score: 1): Author: "Alan Hochberg" <alan.hochberg@prosanos.com>; Date: Mon, 17 Mar 2008 09:21:15 -0400; This is clearly an emotional issue for those of us who have experienced "correct" but unexpected behavior from the interaction of factors with character and numeric data types. In my experience, this; /archives/html/s-news/2008-03/msg00037.html (8,768 bytes)
5. Re: Burned by factors (score: 1): Author: "Kevin Wright" <kw.statr@gmail.com>; Date: Mon, 17 Mar 2008 09:00:49 -0500; Doug and Bill both offer a useful suggestion, though I am already a dedicated user of str(data) and lapply(data, is.factor). The colClasses argument was not available in the version of S-Plus where t; /archives/html/s-news/2008-03/msg00038.html (15,357 bytes)
6. Re: Burned by factors (score: 1): Author: Terry Therneau <therneau@mayo.edu>; Date: Mon, 17 Mar 2008 09:09:06 -0500 (CDT); I had to chuckle at Doug's synopsis I think factors are useful, but that not every character variable should be a factor. In some releases of Splus and R, however, the "turn characters into factors"; /archives/html/s-news/2008-03/msg00039.html (8,363 bytes)

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