[R] errors with lme4

2011-11-24 Thread Alessio Unisi
Dear R-users, i need help for this topic! I'm trying to determine if the reproductive success (0=fail, 1=success) of a species of bird is related to a list of covariates. These are the covariates: §elev: elevation of nest (meters) §seadist: distance from the sea (meters) §meanterra

[R] errors with lme4

2011-11-21 Thread Alessio Unisi
Dear list, i'm a new R user, so I apologize if the topic is already being addressed by some other user. I'm trying to determine if the reproductive success of a species of bird is related to a list of covariates. These are the covariates: §elev: elevation of nest (meters) §seadist: d