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Re: Different results for same information extracted in different ways [message #17467 is a reply to message #17464] Fri, 07 November 2014 17:14 Go to previous messageGo to previous message
Klaus Götzen is currently offline  Klaus Götzen
Messages: 293
Registered: June 2006
Location: GSI
first-grade participant
From: *gsi.de
Hi Mamen,


without hands on the n-tuple (or the root-files) itself, it's hard to find a diagnosis for your problem. According to your table you again have a discrepancy between Project() (1st column) and summing yourself (3rd column), what I don't understand. To reset the histograms you might better use TH1F::Reset(). I don't know exactly how (or whether) the bin weights influence the number of entries.


Best,
Klaus
 
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