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ClickHouse/docs/en/sql-reference/aggregate-functions/reference/stddevpop.md
Nikolay Degterinsky d95c29227f Add STD alias to stddevPop function for MySQL compatibility
2023-09-07 03:46:27 +00:00

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/en/sql-reference/aggregate-functions/reference/stddevpop 30

stddevPop

The result is equal to the square root of varPop.

Alias:

  • STD
  • STDDEV_POP

:::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. :::