[Numpy-discussion] recarray

Robert Kern robert.kern at gmail.com
Fri Sep 15 08:57:28 CDT 2006


Lionel Roubeyrie wrote:
> Hi all,
> I try to use recarray with rec.fromrecords on time-series, datas come from a 
> file where they are stored in csv format, with after each data colum there is 
> one column meanning the state of the data, and the first column is for dates.
> Then, is it possible to directly transform column of strings to a integer one 
> (or datetime one), and to remove a not used column?

When I import CSV files into record arrays, I usually read in all of the data 
and transpose the list of rows to get a list of columns. Then I can remove 
columns and transform them _en masse_, usually with map().

-- 
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless enigma
  that is made terrible by our own mad attempt to interpret it as though it had
  an underlying truth."
   -- Umberto Eco





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