Research on Hotspot Discovery in Internet Public Opinions Based on Improved 𝐾-Means

Table 3

Algorithm performance 𝐹₁ comparison of different algorithms.

𝐹1	𝐹1 typical value	𝐹1 of original 𝐾-means algorithm falling into the experimental frequency of this interval	𝐹1 of improved 𝐾-means algorithm falling into the experimental frequency of this interval
[0.15,0.25]	0.20	1	0
[0.25,0.35]	0.30	2	0
[0.35,0.45]	0.40	2	0
[0.45,0.55]	0.50	4	0
[0.55,0.65]	0.60	5	0
[0.65,0.75]	0.70	7	9
[0.75,0.85]	0.80	2	11
[0.85,0.95]	0.90	1	8
[0.95,1.00]	1.0	0	0