speed up pandas calculation
vincent at vincentdavis.net
Thu Jul 31 02:57:15 CEST 2014
On Wed, Jul 30, 2014 at 6:28 PM, Vincent Davis <vincent at vincentdavis.net>
> The real slow part seems to be
> for n in drugs:
> df[n] =
I was wrong, this is fast, it was selecting the columns that was slow.
keep_col = ['PATCODE', 'PATWT', 'VDAYR', 'VMONTH', 'MED1', 'MED2', 'MED3',
df = df[keep_col]
took the time down from 19sec to 2 sec.
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