Merging data using dates

Wed, 05 Dec 2018 12:39:41 +0000

Index

_d.index incident data

DatetimeIndex(['2011-01-01 00:03:43', '2011-01-01 00:03:55',
               '2011-01-01 00:05:03', '2011-01-01 00:04:46',
               '2011-01-01 00:06:07', '2011-01-01 00:06:24',
               '2011-01-01 00:06:48', '2011-01-01 00:08:26',
               '2011-01-01 00:08:56', '2011-01-01 00:09:33',
               ...
               '2016-12-31 23:34:26', '2016-12-31 23:40:22',
               '2016-12-31 23:47:01', '2016-12-31 23:48:07',
               '2016-12-31 23:52:56', '2016-12-31 23:52:49',
               '2016-12-31 23:55:44', '2016-12-31 23:56:01',
               '2016-12-31 23:59:18', '2016-12-31 23:59:52'],
              dtype='datetime64[ns]', name='incident_date_time', length=720370, freq=None)

_dw.index weather data

DatetimeIndex(['2011-01-01 00:00:00', '2011-01-01 01:00:00',
               '2011-01-01 02:00:00', '2011-01-01 02:41:00',
               '2011-01-01 03:00:00', '2011-01-01 04:00:00',
               '2011-01-01 07:00:00', '2011-01-01 08:00:00',
               '2011-01-01 09:00:00', '2011-01-01 10:00:00',
               ...
               '2016-12-31 17:00:00', '2016-12-31 18:00:00',
               '2016-12-31 19:00:00', '2016-12-31 20:00:00',
               '2016-12-31 21:00:00', '2016-12-31 21:19:00',
               '2016-12-31 22:00:00', '2016-12-31 22:10:00',
               '2016-12-31 22:50:00', '2016-12-31 23:00:00'],
              dtype='datetime64[ns]', name='date', length=62021, freq=None)

For the TFS project, I would like to join the weather to the data by date and hour. for example the weather at 2011-01-01 01:00:00 to all the incidents for that hour 2011-01-01 01:00:00 and 2011-01-01 01:10:00 etc. One weather report to many incidents.

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Merging data using dates