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Table 2 Comparison of graph constructions in terms of clustering performance (NMI and ARI) on eleven UCI datasets

From: Graph-based data clustering via multiscale community detection

Dataset

PMST

ε-ball

RMST k=1

kNN

CkNN δ=1

   

γ=0.5

γ=0.25

γ=0.125

k=3

k=7

k=12

k=3

k=7

k=12

Normalised Mutual Information (NMI)

Iris

0.7764

0.8057

0.7106

0.7764

0.7400

0.7627

0.8057

0.8057

0.8226

0.7980

0.7777

Glass

0.3886

0.3862

0.3656

0.3646

0.3953

0.3863

0.3927

0.3626

0.3517

0.3941

0.4170

Wine

0.8080

0.7972

0.7389

0.8400

0.8633

0.7955

0.8336

0.8215

0.7528

0.8347

0.8113

WBDC

0.6042

0.5819

0.5839

0.6042

0.6182

0.6188

0.5944

0.6121

0.5822

0.7231

0.6113

Control chart

0.8272

0.8404

0.7602

0.7133

0.8130

0.8266

0.8520

0.852

0.8078

0.8883

0.8531

Parkinson

0.2220

0.2065

0.2012

0.2143

0.2811

0.3175

0.2815

0.2176

0.2113

0.2973

0.2423

Vertebral

0.5043

0.6273

0.5432

0.5323

0.5999

0.6060

0.5928

0.5424

0.6450

0.6018

0.6116

Breast tissue

0.5722

0.5616

0.5298

0.5820

0.5461

0.5447

0.5525

0.5243

0.5253

0.5648

0.5601

Seeds

0.7293

0.6943

0.7361

0.7570

0.6810

0.7515

0.7458

0.7318

0.6384

0.7381

0.7245

Image Seg.

0.6948

0.6605

0.6762

0.7072

0.7488

0.6154

0.6465

0.6667

0.6012

0.6347

0.6541

Yeast

0.2881

0.3051

0.2952

0.2626

0.2563

0.2764

0.2997

0.3080

0.2473

0.2959

0.3072

Average

0.5835

0.5879

0.5583

0.5776

0.5945

0.5910

0.5997

0.5859

0.5623

0.6155

0.5973

Adjusted Rand Index (ARI)

Iris

0.7420

0.7592

0.6603

0.7420

0.6957

0.7191

0.7592

0.7592

0.8184

0.7455

0.7445

Glass

0.2323

0.2099

0.1983

0.2029

0.2258

0.2278

0.2231

0.2266

0.2134

0.2398

0.2496

Wine

0.8350

0.8072

0.7375

0.8712

0.8823

0.8025

0.8498

0.8349

0.7414

0.8471

0.8360

WBDC

0.7193

0.7114

0.7014

0.7193

0.7369

0.7368

0.7010

0.7310

0.6697

0.8244

0.7200

Control chart

0.6929

0.7364

0.5694

0.5371

0.6991

0.6748

0.6824

0.7071

0.6902

0.8280

0.7227

Parkinson

0.2267

0.2205

0.2038

0.1540

0.2556

0.2176

0.2001

0.2045

0.1165

0.2667

0.2101

Vertebral

0.5257

0.6445

0.5702

0.5411

0.6015

0.5982

0.5802

0.5330

0.6441

0.6113

0.6302

Breast tissue

0.4689

0.4494

0.4100

0.4017

0.3494

0.4012

0.4272

0.4078

0.3631

0.3764

0.4471

Seeds

0.7353

0.7497

0.7458

0.7589

0.6687

0.7876

0.7889

0.7761

0.6402

0.7764

0.7655

Image Seg.

0.6060

0.5144

0.6030

0.6193

0.5942

0.3800

0.4669

0.5471

0.3791

0.4522

0.5121

Yeast

0.1908

0.2368

0.1827

0.1772

0.1649

0.1755

0.2230

0.2531

0.1797

0.1942

0.2294

Average

0.5432

0.5490

0.5075

0.5204

0.5340

0.5201

0.5365

0.5437

0.4960

0.5602

0.5516

  1. A high NMI (and ARI) indicate that the best partition found by Markov Stability is similar to the ground truth, i.e., better clustering. The best performance for each dataset is marked in bold