How can I merge successive row values (sum of the values) of the column Y according to a condition in column X?

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Laty El
Laty El on 19 Apr 2022
Answered: Peter Perkins on 18 May 2022
Dear,
Hope everyone is doing well!
My issue is: I have a two data columns (X and Y) and datime column (10 min interval). I want to merge the successive row values (sum) of column Y if the corresponding values of column X are 0. Otherwise, if one of the X row equals to 1, then no merge.
Knowing that X contains only 0 and 1 values.
Thank you for your collaboration.
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Answers (1)

Peter Perkins
Peter Perkins on 18 May 2022
You want to do grouped sums, where the groups are defined by consecutive zeros in X. Once you have the groups defined as a new variable in (what should be) a timetable, it's a simple matter of calling groupsummary. Usually defining groups like that involves tricks with cumsum and diff. But without a clear example of what you have and what you want, I won't hazard a guess.

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