用sklearn朴素贝叶斯返回预测概率

对于sklearn里的naive bayes，需要谨慎使用predict_proba

官网上是这么说的

although naive Bayes is known as a decent classifier, it is known to be a bad estimator, so the probability outputs from predict_proba() are not to be taken too seriously

sklearn里每个classifer都有predict_proba的方法的

你调用一下就可以了