stddev

Description

Calculate the standard deviation across the group.

Return type

float or duration

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

• Aggregate

• Time

• Window

Usage

stddev( value )

Argument	Type	Required	Multiple	Constant
value	numeric or duration	Required	Only one	Variable