On Thu, Jan 2, 2025 at 12:40 PM Riccardo (Jack) Lucchetti
<p002...@staff.univpm.it> wrote:
>
> On 02/01/2025 13:35, Sven Schreiber wrote:
> > Am 19.12.2024 um 20:13 schrieb Sven Schreiber:
> >
> > I tried to replicate this problem with a public dataset, but that
> > wasn't so easy.
>
> Here's a script that replicates the problem:
>
> <hansl>
> nulldata 11
> x = normal()
> d = !(index % 3)
> dataset addobs 1
> print -o
> <hansl>
>
> Note that the dataset is not even declared as time-series. I guess we
> should have to revisit the real_periodic_dummy() function in
> lib/src/dataset.c.
>
> One of the things I'd do (but wouldn't fix the problem you spotted) is
> to change the code block
>
>
> maybe_extend_dummies(dset, oldn);
> if (dataset_is_time_series(dset)) {
> maybe_extend_lags(dset, oldn, dset->n - 1);
> }
>
>
> at line 1121 by moving the call to "maybe_extend_dummies(dset, oldn)"
> inside the if block: I don't think this should be done for a
> cross-sectional dataset (maybe for panel datasets...).
Yes, agreed. That's now done in git.
Allin
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