That said, I agree, it would be nice to pass as much metadata as possible. For example, we could use the to_datetime() method automatically if the incoming dataset is time-series, although maybe this is something that a Python-savvy user might want to do manually in some cases.
I just pushed to git a small modification that uses markers and dates if available. For example, the following snippet
<hansl>
loop foreach i ooballot bjg denmark np djclose
open $i.gdt
foreign language=python --send-data
print(gretldata.head())
end foreign
endloop
</hansl>
should produce sensible results.
------------------------------------------------------- Riccardo (Jack) Lucchetti Dipartimento di Scienze Economiche e Sociali (DiSES) Università Politecnica delle Marche (formerly known as Università di Ancona) r.lucchetti@univpm.it http://www2.econ.univpm.it/servizi/hpp/lucchetti -------------------------------------------------------