Returns the population variance of the field values or array elements, calculated by squaring the standard deviation calculated over all values or elements.
PopulationVariance( fld ) PopulationVariance( fld, condFld ) PopulationVariance( fld, condFld, cond ) PopulationVariance( array )
| fld | The name of a field whose values should be used to calculate the population variance. |
|---|---|
| condFld | The name of the field that groups the values of fld (if fld isn't an array). |
| cond | A string declaring the type of grouping to be used on condFld. This only makes sense for groups based on Date, DateTime, Time, and Boolean fields. See Summary Field Conditions for a list of strings you can use here. |
| array | The name of an array variable whose values should be used to calculate the population variance. |
Numeric value
PopulationVariance({data.Temperatur}, {data.Region})
//returns the value of variance for a field Temperature grouped by Region
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