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I?m trying to set up proportional hazard model that is stratified with respect to covariate 1 and has an interaction between covariate 1 and another variable, covariate 2. Both variables are categorical. In the following, I try to illustrate the two problems that I?ve encountered, using the lung dataset. The first problem is the warning: To me, it seems that there are too many dummies

First, here is your message as it appears on R-help. On 10/14/2012 05:00 AM, r-help-request@r-project.org wrote: > I?m trying to set up proportional hazard model that is stratified with > respect to covariate 1 and has an interaction between covariate 1 and > another variable, covariate 2. Both variables are categorical. In the > following, I try to illustrate the two problems that

For those of you following the IBM vs SCO legal case, you have probably noticed that SCO has said that the GPL is invalid. IBM appears to make the reasonable case that you can't say something is void, and then rely on it. INAL, but why is SCO allowed to distribute Samba without agreeing to the GPL? That's like buying a car, then claiming the sale agreement is bogus but you still want

Hi All, I've been playing with some new metadata tags for a while and I think I'm ready to share the joy. I've set up a puny webserver at http://phippo.is-a-geek.com/mixramp.html (please don't slashdot it) with some patches to implement and use the tags. The patch for metaflac applies to the current CVS FLAC and adds the command line option --add-mix-ramp. This is a

...ssphrase.o]: The symbol refers to a csect with symbol number 0, which was not found. The new symbol cannot be associated with a csect and is being ignored. collect2: ld returned 12 exit status make: *** [ssh] Error 1 --------------- Tom Spence ABIDES SYSTEM SUPPORT 844th CS/SCOX