[Retracted] Study on a New Method of Link-Based Link Prediction in the Context of Big Data

Table 2

Machine learning algorithms.

	Unsupervised	Supervised
Continuous	(i) Clustering and dimensionality reduction; SVD; PCA; K-means	(i) Regression; Linear; Polynomial; (ii) Decision trees; (iii) Random forests
Categorical	(i) Association analysis; Apriori; FP-growth; Hidden Markov model	(i) Classification; KNN; Trees; Logistic regression; Naive-Bayes; SVM