StataJournal

The page you requested, http://www.stata-journal.com, was not found.

It is possible you typed the address incorrectly, or that the page no longer exists. As an option, try searching for the requested page or if you would like to report an error, send email to webmaster@stata-journal.com.

Simple search | Advanced search

Search for:

Search for Stata-Journal related pages on


Contact StataCorp

Contact service@stata-journal.com if you have questions about the Stata Journal.

© Copyright 2001–2014 StataCorp LP.   Terms of use.   Privacy policy.