Table 1.

Performance of the models for sentiment polarity classification.

	Precision	Recall	F1 score
NBa	0.798	0.835	0.816
SVMb	0.853	0.822	0.837
CNNc	0.801	0.823	0.812
LSTMd	0.916	0.916	0.916

^aNB: naive Bayes.

^bSVM: support vector machine.

^cCNN: convolutional neural network.

^dLSTM: long short-term memory.