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* prefer relative links from root * wip * split aggregate function reference * split system tables
13 lines
429 B
Markdown
13 lines
429 B
Markdown
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toc_priority: 37
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---
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# covarSamp {#covarsamp}
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Calculates the value of `Σ((x - x̅)(y - y̅)) / (n - 1)`.
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Returns Float64. When `n <= 1`, returns +∞.
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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 `covarSampStable` function. It works slower but provides a lower computational error.
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