Re: [Gretl-users] Change in the diff command in gretl 2018d

On Wed, 16 Jan 2019, Sven Schreiber wrote: > Am 16.01.2019 um 08:46 schrieb Riccardo (Jack) Lucchetti:

>> behaviour of the TRAMO/SEATS backend for deseas(): if the automatic >> analysis finds no seasonality, then the seasonally adjusted series is >> simply not created and deseas() spits an error.

>> >> I guess that in this case we could just fill the seasnoally-adjusted >> series with the original values and issue a warning, but I'd rather >> ask you guys for your opinion. > > Hm, silently returning "no action" when action is wanted wouldn't seem > right. Agreed, in general. But the case Jack is talking about is one where no action is _required_, so far as SEATS can tell. (The series exhibits no seasonality.)