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Table 5 Amazon: external measures

From: Hierarchical community detection via rank-2 symmetric nonnegative matrix factorization

Algorithm

Number of clusters

F1

Precision

Recall

Reverse precision

Reverse recall

h2-n-a

1069

0.7883

0.9747

0.8179

0.9057

0.7593

h2-n-x

1038

0.7717

0.9787

0.8109

0.9070

0.7311

h2-ng-a

1209

0.7422

0.9657

0.7247

0.8748

0.7622

h2-ng-x

1185

0.7268

0.9655

0.7152

0.8743

0.7372

h2-ngd-a

1181

0.7813

0.9698

0.7741

0.8867

0.7922

h2-ngd-x

1168

0.7725

0.9702

0.7681

0.8869

0.7792

SCD

3841

0.6202

0.9998

0.3166

0.8186

0.9948

BigClam

1447

0.8389

0.9718

0.7824

0.9574

0.8744

Graclus

991

0.8555

0.9356

0.9471

0.9892

0.7525

NISE

2612

0.6673

0.6666

0.9733

0.9807

0.5390