ClickHouse/docs/en/sql-reference/aggregate-functions/reference/stddevpop.md
2022-04-09 07:34:21 -06:00

11 lines
437 B
Markdown

---
sidebar_position: 30
---
# stddevPop {#stddevpop}
The result is equal to the square root of [varPop](../../../sql-reference/aggregate-functions/reference/varpop.md).
:::note
This function uses a numerically unstable algorithm. If you need [numerical stability](https://en.wikipedia.org/wiki/Numerical_stability) in calculations, use the `stddevPopStable` function. It works slower but provides a lower computational error.
:::