There is a statistics tab that contains a relatively small subset of my entities (30 out of hundreds [too many to count] of available sensor entities) and very few of these statistics sensors additionally have a small graph icon on the right to open a historic values manipulation dialog.
Questions:
- Which property of a sensor makes it appear in the “statistics” tab?
- What can I do with sensors in the statistics tab that I cannot do with all my other sensors?
- Which additional property makes it have the graph icon to manipulate historic data?
- Which property makes it store data for more than two weeks?
additional question:
I have 4 sensors on the statistics tab with a complaint about “unsupported state class”. They actually do not have any state class set at all, but since many of my sensors do not have a state class I assume this fact alone is not an error, but why are they appearing on the “statistics” tab where a missing state class seems to be a problem?
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