ES|QL `STD_DEV` function [esql-std_dev]

docs/reference/query-languages/esql/functions-operators/aggregation-functions/std_dev.md

9.5.0125 B

:::{include} ../../_snippets/generated/x-pack-esql/functions/layout/std_dev.md :::

ES|QL STD_DEV function [esql-std_dev]