Hi, Which Perron test? If you are thinking in the GLS-Detrended test, you want the ADF-GLS test. Rick -------------------------------------------------- From: "Charles Koss" <hqtiger(a)gmail.com&gt; Sent: Tuesday, December 15, 2009 12:41 PM To: "Gretl list" <gretl-users(a)lists.wfu.edu&gt; Subject: [Gretl-users] Perron test for unit roots in GRETL > Hello GRETL users: > > Is there an implementation of the Perron test for unit roots in GRETL? > > on the menu, I see the following tests adf, adf-gls, and KPSS. The > Perron test is not in the menu; are there reasons for not using it? > > Thanks, > > > -- > Charles > _______________________________________________ > Gretl-users mailing list > Gretl-users(a)lists.wfu.edu > http://lists.wfu.edu/mailman/listinfo/gretl-users > > > No virus found in this incoming message. > Checked by AVG - www.avg.com > Version: 9.0.716 / Virus Database: 270.14.108/2566 - Release Date: > 12/15/09 05:52:00 > _______________________________________________ Gretl-users mailing list Gretl-users(a)lists.wfu.edu http://lists.wfu.edu/mailman/listinfo/gretl-users