Calculates the standard deviation for a field over a set of events. The
result is returned in a field named
_stddev
| Parameter | Type | Required | Default | Description |
|---|---|---|---|---|
as | string | false | _stddev | Name of output field. |
field | string | true | Field to extract a number from and calculate standard deviation over. [a] | |
Examples
Find the standard deviation of bytes send in http responses
logscale
stdDevBytes := stdDev(field=bytes_sent)