Many thanks Allin --- On Fri, 11/19/10, Allin Cottrell <cottrell(a)wfu.edu&gt; wrote: From: Allin Cottrell <cottrell(a)wfu.edu&gt; Subject: Re: [Gretl-users] Testing for a significant difference between two populations To: "Gretl list" <gretl-users(a)lists.wfu.edu&gt; Date: Friday, November 19, 2010, 2:17 PM On Fri, 19 Nov 2010, Anutechia Asongu wrote: The relevant command is "difftest". In the GUI, also see the entry "Test statistic calculator" under the "Tools" menu. Allin Cottrell _______________________________________________ Gretl-users mailing list Gretl-users(a)lists.wfu.edu http://lists.wfu.edu/mailman/listinfo/gretl-users