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Group by all columns except time stamp, aggregate by min time stamp. So if you get readings like
a 0.3
b 0.3
c 0.2
d 0.2
e 0.3
You'll retain rows a c and e, which are the time stamps when the value changed.
To ensure correct results using GroupKind.Local, you must be sure that your values are sorted--which appears to be the case.
--Nate
You could group on Tool and Offset, using the GroupKind.Local parameter in the Table.Group function. It'll give you a new group for each change in Offset.
--Nate
Hi Nate,
Can you please elaborate about the same as I am a beginner in Power BI.
It will great if you can write down the query for this dataset
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