Bayes formula: P (A | B) = P (B | A) * P (A)
Naive Bayes: P (A | B) = P (B | A) * P (A) = P (B1 ) * P (B2) * P (B3) * P (A) independently class condition
Naive Bayes:
1, naive Bayes Bayesian made on the basis of the class independent conditions, a simplified calculation of the original Bayes formula
2, the posterior probability calculation does not require the whole denominator Naive Bayes probability formula, remove the denominator, simplifies the calculations
