stdev

Calculates the sample standard deviation of a numeric column.

Spec

stdev(arg0)

Parameters

arg0 - A numeric column.

Return Value

A double: the sample standard deviation.

Example

datatable(val:double)[1.0, 2.0, 3.0, 4.0, 5.0]
| summarize sd = stdev(val)

sd
1.5811388300841898