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transformations:aggregate [2015/04/27 19:51] elenaptransformations:aggregate [2015/05/01 08:48] dmitry
Line 31: Line 31:
   * Calculate: Length(km)      * Calculate: Length(km)   
   * Aggregation: Max   * Aggregation: Max
-  * Group by: Continent; River+  * Group by: Continent
  
 **Output table:** **Output table:**
Line 37: Line 37:
 ^  River  ^  Continent  ^  Max of Length(km)  ^ ^  River  ^  Continent  ^  Max of Length(km)  ^
 | Nile  |  Africa  |  6650  | | Nile  |  Africa  |  6650  |
-| Ob  |  Asia  |  5410  | 
 | Yangtze  |  Asia  |  6300  | | Yangtze  |  Asia  |  6300  |
-| Yellow River  |  Asia  |  5464  | 
-| Yenisei  |  Asia  |  5539  | 
 | Mississippi  |  North America  |  6275  | | Mississippi  |  North America  |  6275  |
 | Amazon  |  South America  |  6400  | | Amazon  |  South America  |  6400  |
-| Paraná  |  South America  |  4880  | 
  
transformations/aggregate.txt · Last modified: 2021/09/12 11:25 by craigt

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