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docs: change 'standard variance' to 'variance'

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Update functions.md file, change 'standard variance' to 'variance' in function descriptions

Signed-off-by: Pavel Rysnik <126406830+sakuuj@users.noreply.github.com>
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Pavel Rysnik 2026-03-23 18:42:45 +03:00 committed by GitHub
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docs/querying/functions.md
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@ -459,7 +459,7 @@ the zero bucket and for buckets with custom boundaries, the arithmetic mean is u
For the usual exponential buckets, the geometric mean is used. Float samples are ignored
and do not show up in the returned vector.
Similarly, `histogram_stdvar(v instant-vector)` returns the estimated standard
Similarly, `histogram_stdvar(v instant-vector)` returns the estimated
variance of observations for each native histogram sample in `v`.
## `hour()`
@ -866,7 +866,7 @@ over time and return an instant vector with per-series aggregation results:
* `count_over_time(range-vector)`: the count of all samples in the specified interval.
* `quantile_over_time(scalar, range-vector)`: the φ-quantile (0 ≤ φ ≤ 1) of all float samples in the specified interval.
* `stddev_over_time(range-vector)`: the population standard deviation of all float samples in the specified interval.
* `stdvar_over_time(range-vector)`: the population standard variance of all float samples in the specified interval.
* `stdvar_over_time(range-vector)`: the population variance of all float samples in the specified interval.
* `last_over_time(range-vector)`: the most recent sample in the specified interval.
* `present_over_time(range-vector)`: the value 1 for any series in the specified interval.