Justin Bem wrote: > I got this message, while using the polr function in MASS > > Error in polr(EQ, don, subset = (cote != 0), method = "probit", na.action = > na.omit) : > attempt for find suitable starting values failed > > how can I initialise starting values ?
You might try running an ordered logistic in lrm() and using those estimates as starting values (if it runs OK). David Duffy. ______________________________________________ R-help@stat.math.ethz.ch 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.
