Dear R Users, When using zeroinfl() function to fit a Zero-Inflated Negative Binomial (ZINB) model to a dataset, the summary() gives an estimate of log(theta) and its standard error, z-value and Pr(>|z|) for the count component. Additionally, it also provided an estimate of Theta, which I believe is the exp(estimate of log(theta)).
However, if I would like to have an standard error of Theta itself (not the SE.logtheta), how would I obtain or calculate that standard error? Thank you very much for your time. Best regards, Tzeng Yih Lam ------------------------------------------------------------------------------ PhD Candidate Department of Forest Engineering, Resources and Management College of Forestry Oregon State University 321 Richardson Hall Corvallis OR 97330 USA Phone: +1.541.713.7504 Fax: +1.541.713.7504 ------------------------------------------------------------------------------ ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.