El Miércoles, 13 de Octubre de 2004 23:07, Allin Cottrell escribió: ... > That's right, and so naturally it fails in this case. > > > and so in this case there were no regressors, but I think Gretl > > should act in another form. For example in this case gretl may ask > > for a variable, or use the index ... > > I would day that in this case (regression on only a constant), gretl > should make the heteroskedasticity test menu item unavailable. I > tend to think it is the researcher's responsibility to save the > residuals (which are just de-meaned y) and then regress them on > whatever variable might be relevant.
Ok. Yes, really it is not difficult to especify any other regression and to carry out the test "manually", so it is enough with correcting the small previous bug. -- Ignacio Díaz-Emparanza Dpto. de Economía Aplicada III (Econometría y Estadística) UPV-EHU http://www.bl.ehu.es/~etpdihei/
