[R-sig-eco] Stats course in Coimbra, Portugal

2013-12-03 Thread Highland Statistics Ltd
There are a few remaining places on the following course: Data exploration, regression, GLM and GAM with introduction to R When: 3 - 7 February, 2014 Where: University of Coimbra, Coimbra, Portugal Further information: http://www.highstat.com/statscourse.htm Flyer:

[R-sig-eco] beta regression error

2013-12-03 Thread Attila Lengyel
Dear All, I have a problem with 'betareg' function of 'betareg' package, would you, please, help me? I am trying to model compositional similarity on range (0; 1) between pairs of sample units as a function of pairwise geographical distances, and I often get an error message like this: Error in

Re: [R-sig-eco] beta regression error

2013-12-03 Thread Peter Solymos
Attila, See paper and R code by Millar et al. 2011 for a solution based on 'glm': http://www.esapubs.org/archive///ecol/E092/146/ Peter -- Péter Sólymos, Dept Biol Sci, Univ Alberta, T6G 2E9, Canada AB soly...@ualberta.ca, Ph 780.492.8534, http://psolymos.github.com Alberta Biodiversity

[R-sig-eco] NA error in envfit

2013-12-03 Thread Mitchell, Kendra
I'm running a bunch of NMS with vectors fitted (slicing and dicing a large dataset in different ways). I'm suddenly getting an error from envfit f.bSBS.org.fit-envfit(f.bSBS.org.nms, f.bSBS.org.env, permutations=999, na.rm=TRUE) Error in vectorfit(X, P, permutations, strata, choices, w = w,