Hi, have you found a solution for your question 1? Le jeudi 11 octobre 2012 19:03:16 UTC-4, Katelyn Weaver a écrit :
> Hello, > > I am new to R and am trying to complete a mixed conditional logistic > regression. There are two issues that I am currently having: > > 1. I am not sure how to insert the random effects variable into the > equation. My current equation is > model<-mclogit(Presence~AllWet+AllAg+strata(Pair)) > where Presence is a binary value (present or absent), AllWet and AllAg > shows the proportion of the location polygons covered by each habitat > type, > and Pair is showing the paired used and random polygons. The random > effects > that I want to control for are Bird ID (same bird at multiple locations). > Does anyone know how to write the formula properly to include the random > effects? > > 2. When I enter the formula I keep getting Error: could not find function > "mclogit" > When I was using the clogit function I had to add the "survival" package > to > perform the analysis. What package do I have to add for mclogit? > > Any assistance on this subject would be greatly appreciated. > > Thank you, > Katelyn > > -- > Katelyn Weaver > M.Sc. Candidate > Long Point Waterfowl > Western University > Cell: 519-619-4472 > Email: kwe...@uwo.ca <javascript:> > www.longpointwaterfowl.org > > [[alternative HTML version deleted]] > > ______________________________________________ > r-h...@r-project.org <javascript:> 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. >
______________________________________________ R-help@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.