REGO is published under the terms and conditions of the GNU General Public License 3. The program is still “in development”, and no warranty is provided regarding the “soundness” of results or the various imaginable and unimagined sorts of dangers arising from its use to computers, humans, and the environment at large. If you encounter bugs, please report them.

In order to install the current version for Stata 9 or higher, execute the following commands in Stata’s command window:

. net from
. net install rego

Alternatively, download this zip file and place its content either into your working directory or into a different one that you specify with the adopath command.