Pyspark: Calculate for each person, the timespan of the observation i.e. the difference between the highest timestamp of his/her observation and the lowest one. #Output
Pyspark: Calculate for each person, the timespan of the observation i.e. the difference between the highest timestamp of his/her observation and the lowest one. #Output the top 3 user ID according to this measure and its value
| "UserID | Latitude | Longitude | AllZero | Altitude | Timestamp | Date | Time" |
| "118 | 46.77681667 | 121.7455333 | 0 | 4658.792651 | 39221.99999 | 19/05/2007 | 23:59:59" |
| "115 | 39.9861766 | 116.3662633 | 0 | 173.9 | 39572.99999 | 04/05/2008 | 23:59:59" |
| "115 | 40.0209133 | 116.4166183 | 0 | 157.5 | 39573.99999 | 05/05/2008 | 23:59:59" |
| "115 | 40.0177816 | 116.3743649 | 0 | 131.2 | 39575.99999 | 07/05/2008 | 23:59:59" |
| "115 | 39.9756316 | 116.3317099 | 0 | 196.9 | 39616.99999 | 17/06/2008 | 23:59:59" |
| "112 | 39.97176 | 116.4605366 | 0 | 124.7 | 39618.99999 | 19/06/2008 | 23:59:59" |
| "125 | 40.006229 | 116.324338 | 0 | 265 | 39618.99999 | 19/06/2008 | 23:59:59" |
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Authors: David S. Bowers
1994th Edition
3540582355, 978-3540582359
