doc: Mark mad_over_time as experimental (#13440)

We forgot to do that in
https://github.com/prometheus/prometheus/pull/13059

Signed-off-by: beorn7 <beorn@grafana.com>
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Björn Rabenstein 2024-01-23 17:05:34 +01:00 committed by GitHub
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@ -644,10 +644,15 @@ over time and return an instant vector with per-series aggregation results:
* `quantile_over_time(scalar, range-vector)`: the φ-quantile (0 ≤ φ ≤ 1) of the values in the specified interval.
* `stddev_over_time(range-vector)`: the population standard deviation of the values in the specified interval.
* `stdvar_over_time(range-vector)`: the population standard variance of the values in the specified interval.
* `mad_over_time(range-vector)`: the median absolute deviation of all points in the specified interval.
* `last_over_time(range-vector)`: the most recent point value in the specified interval.
* `present_over_time(range-vector)`: the value 1 for any series in the specified interval.
If the [feature flag](../feature_flags/)
`--enable-feature=promql-experimental-functions` is set, the following
additional functions are available:
* `mad_over_time(range-vector)`: the median absolute deviation of all points in the specified interval.
Note that all values in the specified interval have the same weight in the
aggregation even if the values are not equally spaced throughout the interval.