Function stdev
stdev(
attribute,name?,format?):BaseMeasure
Calculates the standard deviation of the given numeric attribute based on a sample (a random subset of items).
Parameters
| Parameter | Type | Description |
|---|---|---|
attribute | Attribute | Attribute to aggregate |
name? | string | Optional name for the new measure |
format? | string | Optional numeric formatting to apply using a Numeral.js format string. Format only applies to queries, visualizations (e.g charts) may apply their own formatting to query results. |
Returns
A measure instance
Example
Calculate the standard deviation (sample) of the cost attribute.
measureFactory.stdev(DM.Commerce.Cost)