It turns out that the problems with mlogit were restricted to my work machine (with R 2.10.1). I had no problems on my personal machine. Following recommendations, I will get IT to update to the latest version on my work machine.
Thanks to all respondents. Gaurav Ghosh -- View this message in context: http://r.789695.n4.nabble.com/Problem-implementing-waldtest-when-using-mlogit-package-tp3351904p3353643.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.
