Re: [Gretl-users] maximum like. conditions

I'll try immediately, thanks. But still question remains why this does not work in original form. I took code from the end of section 17.2. Thanks once more, Davor On 29.11.2009. 13:06, Berend Hasselman wrote: > On 29-11-2009, at 12:27, Davor Horvatic wrote: > > > >> ? mle ll = check ? (-0.5*(log(h) + (e^2)/h)) >> ? series e = y - mu >> ? series h = var(y) >> ? series h = omega + alpha*(e(-1))^2 + beta*h(-1) >> ? scalar check = (alpha>0)& (beta>0) >> ? params mu omega alpha beta >> ? end mle >> Syntax error in command line >> >> Error executing script: halting >> >> >>> end mle >>> >>> > A. > --------------------------------------------- > I replaced the& in the scalar check = .. line with&& > and got this > > ? mle ll = check ? (-0.5*(log(h) + (e^2)/h)) : NA > ? series e = y - mu > ? series h = var(y) > ? series h = omega + alpha*(e(-1))^2 + beta*h(-1) > ? scalar check = (alpha>0)&& (beta>0) > ? params mu omega alpha beta > ? end mle > Data types not conformable for operation > > Error executing script: halting > > >> end mle >> >> > B. > ---------------------------------------------- > I replaced the line scalar check ... by the following three lines > > scalar checka = (alpha>0) > scalar checkb = (beta>0) > scalar check = checka+checkb > > and now the script runs without error to completion. > > Berend > _______________________________________________ > Gretl-users mailing list > Gretl-users(a)lists.wfu.edu > http://lists.wfu.edu/mailman/listinfo/gretl-users > > _______________________________________________ Gretl-users mailing list Gretl-users(a)lists.wfu.edu http://lists.wfu.edu/mailman/listinfo/gretl-users