Statalist The Stata Listserver

[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]

st: MIME-Version: 1.0

Subject   st: MIME-Version: 1.0
Date   Mon, 12 Mar 2007 13:14:44 -0400


I'm running a fixed effect regression in STATA with some dummy
variables for countries:

xtreg variable_Y variable_X countrydummy1-countrydummyN log(population), fe

(Some observations for population are missing)

Whenever I run this regression, I get the message that:

"matrix not positive definite"

Can you please give me an idea what's going on and how I can run this
regression? Any help will be gratefully appreciated.

Hasan Faruq

*   For searches and help try:

© Copyright 1996–2017 StataCorp LLC   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index