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...de? > > Is anyone out there interested in assisting me with S-Plus code with the potential payoff of collaboration on a publication in the ecological literature? Obviously, I would be equally enthused if an R user was interested in a collaboration. Thanks in advance, Kristian -- Kristian Omland Postdoctoral Research Associate Vermont Cooperative Fish & Wildlife Research Unit Rubenstein School of Environment & Natural Resources University of Vermont Burlington VT 05405 voice: (802)656-2496 fax: (802)656-8683 web page: http://www.uvm.edu/~komland

Dear expeRts, there is obviously a general trend to use model comparisons, LRT and AIC instead of Wald-test-based significance, at least in the R community. I personally like this approach. And, when using LME's, it seems to be the preferred way (concluded from postings of Brian Ripley and Douglas Bates' article in R-News 5(2005)1), esp. because of problems with the d.f. approximation.