| Re: combinations of pid algorithms [message #13494 is a reply to message #13489] |
Wed, 16 May 2012 15:53   |
Dmitry Khaneft
Messages: 75
Registered: January 2009
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continuous participant |
From: *kph.uni-mainz.de
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Hm. I was following tutorial and found these lines
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...
theAnalysis->FillList( looseElectrons, "ElectronLoose", "PidAlgoEmcBayes;PidAlgoDrc;PidAlgoMvd");
In this case the probabilities for PID selection are achieved by multiplying the probability values of the chosen algorithms, i.e. Pe = Pe,1 × Pe,2 × Pe,3, etc.
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The only case one can get increase in efficiency is if one of the probabilities >1 what is impossible. Am I right?
[Updated on: Wed, 16 May 2012 15:53] Report message to a moderator |
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