You use tag with random effects or multi-level models. Relogit is a MLE
model. It doesn't have random effects. Hence, when the formula is parsed
for a relogit model, the tag statement is not processed.
On Thu, Feb 3, 2011 at 2:21 PM, Dan Wang <djwang(a)stanford.edu> wrote:
Hi,
New to zelig here, having a great experience so far--good work! I get
the following error when estimating the model in R with random effects
below:
model.out <- zelig(y ~ x1 + x2 + tag(1 |
FirmID), data = dat, model =
"relogit")
Error in eval(expr, envir, enclos) : could not find function "tag"
Is the tag() function included in the zelig R package? I can't seem
to locate any other package that has it. Again, apologies for the
naive question as I think I'm missing something quite elementary here.
Thank you,
Dan
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