Abdus Sattar <[EMAIL PROTECTED]> asked: > > I am trying to find the robust (or sandwich) estimates of the standard > error of fixed effects parameter estimates using the package "lmer2". > Others have already pointed out that this is not implemented in lmer2.
You could try a delete-n jackknife, which you would have to implement yourself. An ordinary delete-1 jackknife does not work for clustered/correlated data. This would also give you bias-corrected point estimates. I should add that, in the limited simulations I have done (for Gaussian mixed model analysis of pedigree data), the jackknife standard errors seemed a bit conservative (too big). David Duffy. -- | David Duffy (MBBS PhD) ,-_|\ | email: [EMAIL PROTECTED] ph: INT+61+7+3362-0217 fax: -0101 / * | Epidemiology Unit, Queensland Institute of Medical Research \_,-._/ | 300 Herston Rd, Brisbane, Queensland 4029, Australia GPG 4D0B994A v ______________________________________________ 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.
