On Tue, 25 Jan 2022, Artur Bala wrote:
 Hi Jack,
 My two pence for the sake of testing.
 Your script stops after estimating two models telling:
 Argument 1 must point to a state-space bundle
>> ksmooth(&mod)
 I'm using gretl 2021d (30/09/21) on macOS Big Sur 
Thanks, Artur, this is very helpful. It looks as if we had some sort of 
bug that got fixed as a side-effect by the recent Kalman rewrite. We were 
planning to have the new version out by the end of the week anyway.
Could you please try my script on a recent snapshot to see if my 
conjecture holds?
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   Riccardo (Jack) Lucchetti
   Dipartimento di Scienze Economiche e Sociali (DiSES)
   Università Politecnica delle Marche
   (formerly known as Università di Ancona)
   r.lucchetti(a)univpm.it
   
http://www2.econ.univpm.it/servizi/hpp/lucchetti
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