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Statistic Values in Smart Rules

How to use calculated statistic values in Equation and Formula Smart Rules

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Currently it is possible to use calculated statistic value in Equation and Formula Smart Rules.

In Variables section, select device and pick one of its predefined statistic values:

Variables statistics

The list offers only statistics that already exist on the device. Create the statistic first: open the device, then Statistics → Add new statistic, and only then pick it in the smart rule. A variable whose statistic does not exist stays empty and the rule never reacts, without showing an error.

Condition that lasts for some time

With Period type Period to now a statistic is a rolling window that ends at this moment, so it can tell how long a condition has lasted: the maximum over the last 3 hours at or below −5 °C means the temperature stayed there the whole 3 hours. Current period starts again at the full hour or at midnight and cannot do this. A complete example, switching between a heat pump and a gas boiler by outdoor temperature, is in Bivalent heating.

Equation: Turn on vent if humidity in bathroom is 10 percentage points higher than in other room

Variables:

Hu Humidity in bathroom - Average by hours

Hu1 Humidity in other room - Actual value

Equation:

(Hu - Hu1) > 0.1

Action:

Vent → Turn on

See also — Statistics and value info, Scripts in smart rules and notifications.