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What Grafana version and what operating system are you using?
Grafana v10.0.1 (5a30620b85) -
What are you trying to achieve?
I want to use transformations - binary operation to calculate may cars kWh usage per 100 kilometers -
How are you trying to achieve it?
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What happened?
when working with the data field km I always get NaN as a result -
What did you expect to happen?
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Can you copy/paste the configuration(s) that you are having problems with?
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Did you receive any errors in the Grafana UI or in related logs? If so, please tell us exactly what they were.
no error -
Did you follow any online instructions? If so, what is the URL?