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st: re: error info from "xtivreg2, fe"


From   Christopher Baum <kit.baum@bc.edu>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: re: error info from "xtivreg2, fe"
Date   Sun, 17 Oct 2010 09:35:59 -0400

<>
Jing said

I am using "xtivreg2, fe" to estimate my panel data-models, which include endogenous variables and instrument variables. but the command failed to provide results but shows " i() required". Could you tell me what this information is about and how to solve this problem? 

Like almost all -xt- commands, you must -xtset- or -tsset- your panel data to let Stata know what the -i- (panel var) and -t- (time var) are. This is a better solution than using i(panelvar) on every -xt- command.

Kit


Kit Baum   |   Boston College Economics & DIW Berlin   |   http://ideas.repec.org/e/pba1.html
                              An Introduction to Stata Programming  |   http://www.stata-press.com/books/isp.html
   An Introduction to Modern Econometrics Using Stata  |   http://www.stata-press.com/books/imeus.html


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