Mitchell Maltenfort <mmalten <at> gmail.com> writes: > > I've got a gls formula that's a mix of continuous and ordered variables. > > I wanted to use gls because I wanted to use the varIdent structure. > > Anyway, attempts to use "predict.gls" choke with the error that the > levels I use are not allowed for one of them -- the first one > alphabetically, so I'd guess the second would have the same problem.
Can you give us the precise error message? [snip] > (1) is it possible to make predict.gls friendlier to my model structure? Need a reproducible example (see below) > (2) Is it possible to get the "varIdent" into lm or ols from Design? No. > (3) is Yee's "smartpred" package, last updated for R 1.7, reliable > for current R? Can we have a reproducible example please? Ben Bolker ______________________________________________ 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.