>> That's exactly what dlply does - so you should never have to do that >> yourself. > > I'm unclear what you are saying. Are you saying that the plyr function > _should_ have examined the objects in that list and determined that there > were 4 rows and properly labeled the rows to indicate which list they came > from?
Yes, exactly. It's the output from coef(summary(x)) that makes it look like this isn't happening. Hadley -- Assistant Professor / Dobelman Family Junior Chair Department of Statistics / Rice University http://had.co.nz/ ______________________________________________ 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.