Hi Allin Thanks for the response.  This looks very interesting. If this package was attached to the Analysis menu, how would this work? Would it be a menu point and click option? Thanks very much. Gene On Tuesday, June 11, 2024 at 12:00:55 PM EDT, Cottrell, Allin <cottrell(a)wfu.edu&gt; wrote: On Tue, Jun 11, 2024 at 11:52 AM gene shackman <gsociology(a)yahoo.com&gt; wrote: No, it's not a built-in thing. But there's a function package, sols.gfn. that will give you that. See https://gretl.sourceforge.net/cgi-bin/gretldata.cgi?opt=SHOW_FUNCS Actually, this package should probably be updated so that it attaches to the Analysis menu after OLS estimation via the GUI. Right now it doesn't. Allin