On Mon, 1 Mar 2021, Allin Cottrell wrote:
The trouble, IMO, is this: the minimal description of an on-the fly series
with formula "log(x)" as "log(x)" would, at best, be available to getinfo()
only immediately after the series was created, at the same level of function
execution. Once such a series is forwarded as a function argument, it becomes
a citizen of the callee's dataset, but there's no basis for a memory of how
it was created.
As things stand, remembering the description of a series requires that the
series has an associated VARINFO struct, which is realized only for series
that have dataset membership. But an on-the-fly series argument to a function
acquires such membership only once it is accepted as a valid argument --
which, it seems to me, is too late to be of any use.
Of course, if you can suggest a feasible mechanism whereby this could work,
I'll happily stand corrected.
No, I can see your point now. I can live with "catch" :)
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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.lucche...@univpm.it
http://www2.econ.univpm.it/servizi/hpp/lucchetti
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