Feature sum
The feature sum or total feature amount is the sum of the values of a metric feature for the elements of an entity. It is used in descriptive statistics in connection with the Lorenz curve . B. the cumulative relative feature sum is compared to the cumulative share of feature carriers.
The feature sum of feature values is
- .
Depending on the form in which the data is available, the sum of features is calculated differently. Can be:
- Original list ,
- unclassified frequency distribution
- classified frequency distribution
- with known sum of features
- with unknown sum of attributes (approach using class centers)
It is also necessary to distinguish whether one is looking at the relative or the absolute concentration.
Web links
- Total characteristic amount - definition in the Gabler Wirtschaftslexikon
- Calculation of the sum of features according to the data format - description at massmatics.de