10 Mar 2004
CS 3243 - Uncertainty
4
Naïve Bayes Classifier
nCalculate most probable function value
nVmap = argmax P(vj| a1,a2, … , an)
n        = argmax P(a1,a2, … , an| vj) P(vj)
n                               P(a1,a2, … , an)
n        = argmax P(a1,a2, … , an| vj) P(vj)
n
nNaïve assumption: P(a1,a2, … , an) = P(a1)P(a2) … P(an)