Following is a list of R packages that could be used for naive Bayes classification:
# Takes argument as DocumentTermMatrix object and factor object representing the classification of each instance/row in DTM object.
msg_classifier <- naiveBayes(messages_dtm_train, messages_train$type)
# Takes argument as classifier and DocumentTermMatrix object that needs to be predicted
msg_test_pred <- predict(msg_classifier, messages_dtm_test)
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