multilevel

Thanks for your reply David.
I didn't realize I could change the title of my post!  Haha.
I rather like the example because Table 1 actually appears in Cameron and
Trivedi (potential error and all!).

aperm is not the issue. I am not sure why you get different output, it
should be the case.

Other ideas?

--
View this message in context: http://r.789695.n4.nabble.com/possible-bug-in-aggregate-tp3539421p3541946.html
Sent from the R help mailing list archive at Nabble.com.