[R-sig-ME] Standard errors in glmmADMB

Zahwa Al Ayyash (Student) zsa11 at mail.aub.edu
Fri Mar 27 00:03:49 CET 2015

Dear list,

I am modeling the number of weekly trips (using public transport models) using Hurdle Poisson Model in glmmADMB.

I have longitudinal data as every respondent was given a set of 8 question (an SP kind of survey). So, I am including a random intercept to account for correlation among the choices of the respondents.

glmmADMB outputs the variance of the random effect, but not its standard error. How can I test for its significance?

I read online that maybe it is not necessary to test it if the random effect is part of the experimental design, which is the case, but still for the sake of completeness, any suggestions are welcome. Also, a suggested solution was to do anova test for comparing the model with and without the random intercept.

Is there an easy way to get the standard error? or to do a t-test (for example) and get the significance of the random effect?

Thank you so much in advance,

Zahwa AlAyyash

Graduate Student in Civil and Environmental Engineering

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