[Gretl-devel] Re: adding obs not noticed by model forecast GUI

Am 14.10.2021 um 16:29 schrieb Allin Cottrell: > On Mon, 11 Oct 2021, Sven Schreiber wrote: > > > Without any deeper meaning and just by coincidence, I was regressing LRY > > from the denmark dataset on LRM(-3) -- not LRM(-1 to -3). > > > > I re-checked that when I add just two new obs until 1988:1 or so, gretl > > still says no obs available for forecasting. LRM_3 should be available > > until 1988:2 automatically. > > This script shows what's happening. LRM_3 is not automatically > available in the added observations. To get that to happen, gretl > would have to recognize, on the basis of its metadata, that LRM_3 is a > series that can be extended after "addobs". That should be possible > but it's not in place at present. Right, thanks, Allin. When I wrote "should be available" I meant that conceptually there is no problem. I would call a bug only the misleading error message, the rest is a missing feature, I think. However, the more I think about it, I believe that potentially quite many models in predictive regression format would be affected. So maybe this is actually a bit more severe.