Third-Party Application Modules

Q. Do I need to have GAUSS in order to use Gaussx?

A: Yes, Gaussx is an add-on package that works with GAUSS. Gaussx incorporates a full featured set of professional, state of the art, econometric routines that run under GAUSS, so you must have GAUSS installed before installing Gaussx. The Windows version is fully integrated with GAUSS using a floating toolbar, while the Unix version runs as a GAUSS application.
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Q. Does LikPak require that any other applications be installed in order to run?

A. Likpak is simply GAUSS code for likelihoods, with examples for whatever maximization package you happen to use.

LikPak provides complete examples for Maxlik and CMLMT, as well as a number of examples for MaxlikMT, QNewton, QNewtonMT, SQPSolve and QPSolveMT. These optimization packages can be categorized into two types - those that use structures (CMLMT, MaxlikMT, QNewtonMT, SQPSolveMT) and those that do not use structures (Maxlik, QNewton,SQPSolve). There are some 40 example files in each of the Maxlik and CMLMT folders, and these provide templates for each type of package. For each of the other packages, the example file is commented to show the necessary programming changes.

LikPak does not require that you have MaxLik or CMLMT to run, but the examples for use with those applications will not work unless you do have the appropriate maximization package installed.
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