[Gretl-devel] Re: probable bug with lost panel time
On Fri, 7 Jan 2022, Allin Cottrell wrote:
On Fri, 7 Jan 2022, Sven Schreiber wrote:
> Am 07.01.2022 um 03:41 schrieb Allin Cottrell:
>> On Thu, 6 Jan 2022, Sven Schreiber wrote:
>>
>>> it looks as if the panel-time information in the current dataset is lost
>>> when:
>>>
>>> 1) a user-written hansl function is executed which internally plays
>>> around with and repeatedly resets the sample
>>>
>>> 2) before calling that function, the current panel dataset is restricted
>>> (in the time dimension)
[...]
Thanks. I see what you mean. We simply don't have apparatus in place at
present to handle modification and restoration of "panel time" information
across calls to functions.
I don't have time to work on this right now, but it seems like something that
ought to be fixed when somebody has the time to do so.
Ah, in fact it was quite straightforward to ensure that panel time
information is restored on exit from a function that carries out
sub-sampling. That's now in git.
The secondary issue that Sven noted -- namely, panel time info is
not fully exploited under sub-sampling that preserves a panel
structure -- is more complex. We can return to it later.
Allin