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Bayesian Classifiers. Muhammad Ali Yousuf ITM (Based on : Notes by David Squire, Monash University). Contents. What are Bayesian Classifiers? Bayes Theorem Naïve Bayesian Classification Bayesian Belief Networks Training Bayesian Belief Networks Why use Bayesian Classifiers?
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Bayesian Classifiers
Muhammad Ali Yousuf
ITM
(Based on: Notes by David Squire, Monash University)
P(AB)
P(A)
P(B)
P(A|B) = P(AB)/P(B), and alsoP(B|A) = P(AB)/P(A), therefore
P(A|B) = P(B|A)P(A)/P(B) (Bayes formula for two events)
More formally,
FamilyHistory
Smoker
LungCancer
Emphysema
PositiveXRay
Dyspnea