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ClickHouse/docs/en/sql-reference/aggregate-functions/reference/stddevsamp.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/stddevsamp 31

stddevSamp

The result is equal to the square root of varSamp.

Alias: STDDEV_SAMP.

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