Bayesian classifier is one of the mostly known classification techniques. It is based on some probabilistic computations such as computing probability of an object belonging to a class. Bayesian classifiers use Bayes’ theorem. According to Bayes’ theorem, let X be an object and H be a hypothesis that X belongs to class C. The probability of H holds is shown as P(H|X) and it is calculated as follows: P(H|X) = P(X|H)*P(H)/P(X).