Dear Prof Bolker Yes, I did run (but did not include in the message I sent earlier): > library("glmmADMB") > bb <- glmmADMB:::get_bin_loc()[["bin_loc"]] Error in get(name, envir = asNamespace(pkg), inherits = FALSE) : object 'get_bin_loc' not found Thank you for your help ChuaTH [[alternative HTML version deleted]]