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Table 3 Average matching difference between connected and not-connected users

From: Improved user similarity computation for finding friends in your location

Similarity computation method Difference
w1 = 0.25 (%) w1 = 0.5 (%) w1 = 0.75 (%)
EgoSimilar 5.03 4.98 4.92
Pearson 3.45 3.72 4.01
Cosine 3.69 2.98 2.28
Jaccard index 1.96 2.19 2.36
π coefficient 1.69 1.93 2.03
κ coefficient 1.97 2.24 2.45