NaiveBayes function of e1071 package of R language constructs naive Bayes model, and confusionmatrix function of caret package is used to calculate confusion matrix (kappa, confidence interval, evalua

R Language e1071 Bag naiveBayes Function to construct naive Bayesian model 、predict Function uses naive Bayes model to predict and infer test data 、 Use caret Bag confusionMatrix Function to calculate the confusion matrix （kappa、 confidence interval 、 Evaluation indicators for each category 、 Specificity 、 Sensitivity, etc ）

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