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docs: clarify 'stdvar' operator description

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Updated the description of the stdvar operator to clarify that it calculates variance instead of standard variance.

Signed-off-by: Pavel Rysnik <126406830+sakuuj@users.noreply.github.com>
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Pavel Rysnik
2026-03-23 11:12:46 +03:00
committed by GitHub
parent da22492abc
commit e680e9bf49
1 changed files with 2 additions and 2 deletions
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docs/querying/operators.md
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@@ -400,7 +400,7 @@ vector of fewer elements with aggregated values:
* `count_values(l, v)` (count number of elements with the same value)
* `stddev(v)` (calculate population standard deviation over dimensions)
* `stdvar(v)` (calculate population standard variance over dimensions)
* `stdvar(v)` (calculate population variance over dimensions)
* `quantile(φ, v)` (calculate φ-quantile (0 ≤ φ ≤ 1) over dimensions)
These operators can either be used to aggregate over **all** label dimensions
@@ -563,7 +563,7 @@ an info-level annotation.
#### `stdvar`
`stdvar(v)` returns the standard variance of `v`.
`stdvar(v)` returns the variance of `v`.
`stdvar` only works with float samples, following IEEE 754 floating
point arithmetic. Histogram samples in the input vector are ignored, flagged by