Research on the Propagation Characteristics of Negative News Information Based on Personalized Recommendation Algorithm

Table 2

Optimal A values of several cases.

		R	R	R	R	R
Movie lens	X = 100	−2.14	−2.25	−2.12	−0.45	1.22
	X = 200	−2.21	−2.11	−2.11	0.00	1.10
Netflix	X = 100	−2.22	−2.24	0.00	0.00	2.12
	X = 200	−2.24	−2.17	−1.14	0.00	1.45
Amazon	X = 100	−2.20	−1.55	0.40	0.55	1.05
	X = 200	−2.20	−1.4	0.52	1.11	0.11