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Table 10 Performances of the similarity measures using clustering learners averaged across all data sets

From: Improved sqrt-cosine similarity measurement

Metric

Similarity

Kmeans

Ncut

PCA-Kmean

SYM-NMF

Mean

HSD

Mean

HSD

Mean

HSD

Mean

HSD

Accuracy

ISC

0.3354

A

0.3220

A

0.3090

A

0.4589

A

 

Cosine

0.3115

A

0.3104

A

0.3070

A

0.4191

A

 

Gaussian

0.3005

A

0.3020

A

0.3020

A

0.2750

A

Purity

ISC

0.4357

A

0.5606

A

0.8499

A

0.5337

A

 

Cosine

0.4217

A

0.5626

A

0.7771

A

0.5072

A

 

Gaussian

0.3919

A

0.5693

A

0.8457

A

0.4066

A

NMI

ISC

0.1740

A

0.1367

A

0.0369

A

0.2886

A

 

Cosine

0.1332

A

0.1321

A

0.0335

A

0.2464

A

 

Gaussian

0.0992

A

0.1337

A

0.0309

A

0.1321

A