Transaction Prediction in Blockchain: A Negative Link Prediction Algorithm Based on the Sentiment Analysis and Balance Theory

Table 4

Classification results of different feature sets under different classifiers.

Feature set	Classifier	Accuracy	Recall ratio	F1 score
F1	SVM	0.20	0.19	0.0195
	Naive Bayes	0.18	0.17	0.175
F1+F2	SVM	0.22	0.22	0.22
	Naive Bayes	0.20	0.20	0.20
F1+F2+F3	SVM	0.25	0.24	0.245
	Naive Bayes	0.22	0.21	0.215