[Numpy-discussion] RFC: A proposal for implementing some date/time types in NumPy
Fri Jul 11 12:01:58 CDT 2008
On Fri, Jul 11, 2008 at 12:47 PM, Francesc Alted <firstname.lastname@example.org>
> A Friday 11 July 2008, Pierre GM escrigué:
> > Our approach for dealing with dates was to translate them into
> > integers through a particular class (Date).
> That's very interesting. We will have a look at your implementation and
> see if we can reuse code/ideas. I suppose this code in your TimeSeries
> module, right?
Yes, in the src directory (c_dates.c).
In addition, we have a DateArray class, which implements an array of Dates
(you didn't see that coming...) and whose dtype is int64.
The reason why we wanted to stick to ints was to permit a direct
correspondence index<->date in an array. If you know the first date and the
timestep, you can get the date corresponding to any element of your series,
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