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 |