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7170f3c534
ClickHouse/docs/en/sql-reference/aggregate-functions/reference/stddevpop.md
Ivan Blinkov 7170f3c534
[docs] split aggregate function and system table references (#11742) 
* prefer relative links from root

* wip

* split aggregate function reference

* split system tables
2020-06-18 11:24:31 +03:00

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stddevPop

The result is equal to the square root of varPop.

!!! note "Note" This function uses a numerically unstable algorithm. If you need numerical stability in calculations, use the stddevPopStable function. It works slower but provides a lower computational error.