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extract_lookup_table_attributes [2015/10/13 20:06]
admin
extract_lookup_table_attributes [2016/07/21 17:32] (current)
hermann [Statistical Key Attributes]
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 ==== Statistical Key Attributes ==== ==== Statistical Key Attributes ====
  
-The value mapped to the key by each key/value pair is used as the number of key occurrences.+<note important>​ 
 +The value mapped to the key by each key/value pair is used as the number of key occurrences ​for the calculation of the //​Statistical Key Attributes//​Keys associated with negative or zero values are supposed not be presented in the table when the key attributes are being calculated and the corresponding keys are ignored. 
 +If you do not want the value associated with the key to the used as the number of key occurrences,​ use a [[Calculate Lookup Table]] to turn the associated values into ones and run the attribute calculation on the resulting table -- the expression ''​1''​ can be used for that purpose. 
 +</​note>​
  
 ^ Key ^ Predefined Name ^ Description ​           ^ ^ Key ^ Predefined Name ^ Description ​           ^
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 | 24  | "​valueVar" ​       | value variance ​          | | 24  | "​valueVar" ​       | value variance ​          |
 | 25  | "​valueStd" ​       | value standard deviation | | 25  | "​valueStd" ​       | value standard deviation |
-| 26  | "​medianValue" ​    | median value             | 
 | 26  | "​medianValue" ​    | median value             | | 26  | "​medianValue" ​    | median value             |