stddev¶
Description¶
Calculate the standard deviation across the group.
Return type¶
value
Domain¶
This is an aggregate function (aggregates rows over a group in aggregate verbs.)
This is a window function (calculates over a group of multiple input rows using windowing.)
Categories¶
Usage¶
stddev(value)
| Argument | Type | Optional | Repeatable | Restrictions | 
|---|---|---|---|---|
| value | numeric or duration | no | no | none |