Table 5 Comparison metrics for second stage clustering. Dataset \(D_1\) (N = 2,768). ARI adjusted rand index, AMI adjusted mutual index, FM Fowlkes-Mallows index. Best metric value achieved appears in bold

2.1

2.2

0.8065

0.7396

0.8619

2.1

2.3

0.9379

0.9099

0.9557

2.1

2.4

0.7269

0.6803

0.8042

2.1

2.5

0.7362

0.6563

0.8121

2.1

2.6

0.3289

0.3380

0.5250

2.2

2.3

0.7512

0.6853

0.8221

2.2

2.4

0.8449

0.7969

0.8886

2.2

2.5

0.7298

0.6577

0.8070

2.2

2.6

0.3481

0.3556

0.5375

2.3

2.4

0.7768

0.7288

0.8396

2.3

2.5

0.7023

0.6340

0.7874

2.3

2.6

0.3389

0.3415

0.5310

2.4

2.5

0.6538

0.6122

0.7517

2.4

2.6

0.3734

0.3696

0.5533

2.5

2.6

0.3435

0.3828

0.5350