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Re: combinations of pid algorithms [message #13496 is a reply to message #13494] Wed, 16 May 2012 15:57 Go to previous messageGo to previous message
StefanoSpataro is currently offline  StefanoSpataro
Messages: 2736
Registered: June 2005
Location: Torino
first-grade participant

From: *to.infn.it
I understand the sentence can be misleading.
The algorithm multiply PDFs (probability density functions), but the final probability is the pdf divided by the sum or all the pdf. -> pdf(e) / (pdf(e)+pdf(mu)+pdf(pi)+pdf(k)+pdf(p)).

If the denominator goes down, the probability can increase.
 
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