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glossary:bayesian [2007/01/18 10:04] manniglossary:bayesian [2008/02/08 19:49] (current) – external edit 127.0.0.1
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 +====== Bayesian ======
 +
 Bayesian, Bayes, and naive Bayes are often used in discussion of POPFile and similar email filters which usually refers to a mathematical formula. Bayesian, Bayes, and naive Bayes are often used in discussion of POPFile and similar email filters which usually refers to a mathematical formula.
  
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 Bayes Theorem gives POPFile a way to calculate the probability that an email is work, personal or spam by calculating P(work|E), P(personal|E), and P(spam|E) where E is the new email and P(work|E) is the probability of email E being a 'work' email and so on. By picking the largest probability of the three POPFile can automatically pick the appropriate folder. POPFile calculates these probabilities by looking at the frequency with which words occur in each folder and applying Bayes Theorem. Bayes Theorem gives POPFile a way to calculate the probability that an email is work, personal or spam by calculating P(work|E), P(personal|E), and P(spam|E) where E is the new email and P(work|E) is the probability of email E being a 'work' email and so on. By picking the largest probability of the three POPFile can automatically pick the appropriate folder. POPFile calculates these probabilities by looking at the frequency with which words occur in each folder and applying Bayes Theorem.
- 
-//A lot of this is from the old old PF index.  I am no expert on the subject or history of this so please correct me if I got any of the first and second paragraph wrong.  The third is straight from the old old index:// 
-http://popfile.sourceforge.net/old.html 
- 
-//Also on that page was a link to this which we may want to include:// 
-http://sourceforge.net/docman/display_doc.php?docid=13334&group_id=63137 
  
 
glossary/bayesian.1169114683.txt.gz · Last modified: 2008/02/08 19:49 (external edit)
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