Hi i’have found this question on internet and it is equal to my problem.
Thnaks
Hi i’have found this question on internet and it is equal to my problem.
Thnaks
Hi,
The functionality you are asking is not supported in ROOT. The fit takes care only of the range of the function you passed (e.g. visit in this case).
A possible solution is to define by yourself the summing function using the “if” statement.
Best Regards
Lorenzo
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