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update wiki pages

Vika 2021-05-21 13:55:55 +00:00
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MetricsQL.md

@ -156,4 +156,4 @@ This functionality can be tried at [an editable Grafana dashboard](http://play-g
anomalies in time series comparing to historical samples.
- `zscore(q) by (group)` - returns independent [z-score](https://en.wikipedia.org/wiki/Standard_score) values for every point in every `group` of `q`.
Useful for detecting anomalies in the group of related time series.
- `timezone_offset("tz")` - returns offset in seconds for the given timezone `tz` relative to UTC. This can be useful when combining with datetime-related functions. For example, `day_of_week(time()+timezone_offset("America/Los_Angeles"))` would return weekdays for `America/Los_Angeles` time zone. Special `Local` time zone can be used for returning an offset for the time zone set on the host where VictoriaMetrics runs.
- `timezone_offset("tz")` - returns offset in seconds for the given timezone `tz` relative to UTC. This can be useful when combining with datetime-related functions. For example, `day_of_week(time()+timezone_offset("America/Los_Angeles"))` would return weekdays for `America/Los_Angeles` time zone. Special `Local` time zone can be used for returning an offset for the time zone set on the host where VictoriaMetrics runs. See [the list of supported timezones](https://en.wikipedia.org/wiki/List_of_tz_database_time_zones).