search for: husbi

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2005 Nov 25
1
Use of nesting in lmer- error in numerical expression
Dear R users, I am trying to fit a GLMM using lmer to a dataset where the brood identity (LNRREIR) is nested within mothers identity. The reason for this is that each mother can have several nests within each year and also between years. I am running the following script (actually I have tried all different combinations with LNRREIR and mother): mod <- lmer(sr~z.hatchday +
2007 Oct 12
0
change of variance components depending on scaling of fixed effects
Dear all, I am trying to understand the output from a binomial lmer object and why the scaling of a fixed effect changes the variance components. In the model p2rec is cbind(number recruits2,number recruits 1), Pop is populations (five level factor) and ja is year (covariate running from 1955-2004). I.e. biologically I am interested to see how the proportion of recruits from the second
2005 Nov 21
1
singular convergence with lmer function i lme4
Dear R users, I am trying to fit a GLMM to the following dataset; tab a b c 1 1 0.6 199320100313 2 1 0.8 199427100412 3 1 0.8 199427202112 4 1 0.2 199428100611 5 1 1.0 199428101011 6 1 0.8 199428101111 7 0 0.8 199527103011 8 1 0.6 199527200711 9 0 0.8 199527202411 10 0 0.6 199529100412 11 1 0.2 199626201111 12 2 0.8 199627200612 13 1 0.4 199628100111 14 1 0.8