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11 lines
443 B
Markdown
11 lines
443 B
Markdown
---
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toc_priority: 31
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---
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# stddevSamp {#stddevsamp}
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The result is equal to the square root of [varSamp](../../../sql-reference/aggregate-functions/reference/varsamp.md).
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!!! note "Note"
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This function uses a numerically unstable algorithm. If you need [numerical stability](https://en.wikipedia.org/wiki/Numerical_stability) in calculations, use the `stddevSampStable` function. It works slower but provides a lower computational error.
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