Some time ago I came across a similar problem when using this function for a class. At the time I made a note to myself saying that the problem was in the definition of lobs, which I changed to: scalar lobs=lastobs(y) I hope this helps
On 28 September 2015 at 15:56, Ignacio Diaz-Emparanza <ignacio.diaz-emparanza(a)ehu.eus> wrote: > I have not much time for testing today, but it seems that a correction I > included to avoid initial conditions very different from the first > observations of the series is not working well for your data. If you change > in the HoltWinters package the line > > series yh1= (0.85*y<= $yhat && $yhat <=1.15*y) ? $yhat : y > > simply to: > > series yh1= $yhat > > you will have results more similar (but not exactly) to yours (I think we > are using different initial conditions). > > > > El 28/09/15 a las 14:23, Raul Gimeno escribió: >> >> Hello >> >> I've been using the Holt-Winters package but I cannot replicate my >> Excel-calculation results with this package. >> The starting value from the package for the trend is 245 mine is 166.396. >> By >> running a regression on the full sample I get completely different results >> for these starting values, although the same methodology as described in >> the >> help description has been used. >> For replication purposes I send my excel spreadsheet and I would be glad >> to >> understand how these starting values have been effectively calculated. >> Thank you for your help >> Raul Gimeno >> >> ** >> >> >> _______________________________________________ >> Gretl-users mailing list >> Gretl-users(a)lists.wfu.edu >> http://lists.wfu.edu/mailman/listinfo/gretl-users > > > > -- > Ignacio Díaz-Emparanza > Departamento de Economía Aplicada III (Econometría y Estadística) > Universidad del País Vasco - Euskalherriko Unibertsitatea, UPV/EHU > Tfno: (+34) 94 601 3732 > http://www.ehu.eus/ea3 > > _______________________________________________ > Gretl-users mailing list > Gretl-users(a)lists.wfu.edu > http://lists.wfu.edu/mailman/listinfo/gretl-users > > > >
