Re: [R] lme4 and false convergence

2008-11-25 Thread ONKELINX, Thierry
t ensure that a reasonable answer can be extracted from a given body of data. ~ John Tukey -Oorspronkelijk bericht- Van: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Namens Ben Zuckerberg Verzonden: maandag 24 november 2008 18:37 Aan: r-help@r-project.org Onderwerp: [R] lme4 and false convergenc

[R] lme4 and false convergence

2008-11-24 Thread Ben Zuckerberg
Dear R-users, I am using the most updated package of lme4 (lme4_0.999375-2). I have a data set consisting of ~900 observations at ~440 independent survey sites. There are an unbalanced number of surveys at each site. I am attempting to develop several models evaluating the presence/absence