[R-sig-eco] error in install packge

2014-02-21 Thread Mahnaz Rabbaniha
Dear all for installing of new packages i select the country but i have gotten the error message any times: Warning: unable to access index for repository http://mirrors.softliste.de/cran/bin/windows/contrib/3.0 Warning: unable to access index for repository http://www.stats.ox.ac.uk/pub/RWin/bi

Re: [R-sig-eco] SDM-model evaluation

2014-02-21 Thread Frederico V. Faleiro
Hi Ludovico, I think you could have better methods to modelling richness searching the literature about spatial pattern of species richness and not in the ecological niche modelling or species distribution modelling literature. The bellow papers are a good start. The software SAM have the option

Re: [R-sig-eco] SDM-model evaluation

2014-02-21 Thread Martin Weiser
Hi, I am not sure why AUC should be better than, say, AICc - second order Akaike criterion and AIC weights (comfortably calculated by AICcModavg package) or Nagelkerke's R2 in this case. Would anybody be so kind and explain this for me? I just want to make warning: do not put strong (or any) empha