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Table 2 The cophenetic correlation coefficient values for μ=0 , σ 2 =1 (with outliers)

From: Comparison of hierarchical cluster analysis methods by cophenetic correlation

Distance measure

Clustering method

Cophenetic correlation coefficient

x = 3

x = 5

x = 10

n = 10

n = 50

n = 100

n = 10

n = 50

n = 100

n = 10

n = 50

n = 100

Euclidean

Average

0.8478

0.8065

0.7848

0.8280

0.7818

0.7629

0.8102

0.7647

0.7488

Centroid

0.8188

0.8061

0.7875

0.7872

0.7816

0.7704

0.7484

0.7638

0.7606

Complete

0.8095

0.7273

0.7006

0.7808

0.6865

0.6551

0.7535

0.6494

0.6136

Median

0.8342

0.7644

0.7262

0.8073

0.7509

0.7182

0.7661

0.7432

0.7311

Single

0.8168

0.7836

0.7774

0.7903

0.7582

0.7578

0.7653

0.7400

0.7426

Ward

0.8064

0.7278

0.7050

0.7801

0.6869

0.6606

0.7531

0.6464

0.6161

Weighted

0.8382

0.7551

0.7185

0.8182

0.7352

0.6918

0.8006

0.7197

0.6835

Squared Euclidean

Average

0.8434

0.8088

0.7859

0.8239

0.7837

0.7636

0.8087

0.7663

0.7490

Centroid

0.8386

0.8107

0.7900

0.8123

0.7880

0.7730

0.7768

0.7695

0.7629

Complete

0.8022

0.7331

0.7027

0.7724

0.6937

0.6580

0.7505

0.6550

0.6166

Median

0.8289

0.7652

0.7275

0.8017

0.7525

0.7177

0.7637

0.7417

0.7313

Single

0.8142

0.7838

0.7774

0.7865

0.7584

0.7575

0.7633

0.7397

0.7424

Ward

0.7996

0.7337

0.7070

0.7725

0.6929

0.6645

0.7506

0.6532

0.6191

Weighted

0.8333

0.7592

0.7197

0.8141

0.7358

0.6956

0.7997

0.7192

0.6824

Mahalanobis

Average

0.8103

0.8565

0.8315

0.6965

0.8239

0.8053

NaN

0.7705

0.7782

Centroid

0.7976

0.8570

0.8333

0.6701

0.8276

0.8113

NaN

0.7770

0.7882

Complete

0.6966

0.8051

0.7787

0.4529

0.7575

0.7380

NaN

0.6480

0.6848

Median

0.7895

0.8219

0.7843

0.6695

0.7875

0.7600

NaN

0.7453

0.7309

Single

0.7908

0.8220

0.8030

0.6633

0.7841

0.7680

NaN

0.7510

0.7515

Ward

0.7313

0.8018

0.7755

0.5497

0.7523

0.7350

NaN

0.6442

0.6839

Weighted

0.7980

0.8181

0.7848

0.6899

0.7824

0.7531

NaN

0.7230

0.7173

Cityblock

Average

0.8404

0.7982

0.7767

0.8206

0.7707

0.7518

0.8027

0.7522

0.7352

Centroid

0.8367

0.7997

0.7805

0.8113

0.7741

0.7611

0.7739

0.7552

0.7482

Complete

0.7995

0.7226

0.6935

0.7727

0.6761

0.6484

0.7464

0.6418

0.6059

Median

0.8267

0.7566

0.7196

0.8018

0.7412

0.7074

0.7623

0.7306

0.7174

Single

0.8077

0.7737

0.7676

0.7804

0.7448

0.7447

0.7533

0.7248

0.7269

Ward

0.8004

0.7243

0.7003

0.7744

0.6817

0.6568

0.7493

0.6446

0.6131

Weighted

0.8305

0.7507

0.7114

0.8111

0.7241

0.6867

0.7936

0.7102

0.6718

Minkowski

Average

0.8478

0.8065

0.7848

0.8280

0.7818

0.7629

0.8102

0.7647

0.7488

Centroid

0.8441

0.8088

0.7883

0.8179

0.7860

0.7721

0.7797

0.7695

0.7628

Complete

0.8095

0.7273

0.7006

0.7808

0.6865

0.6551

0.7535

0.6494

0.6136

Median

0.8342

0.7644

0.7262

0.8073

0.7509

0.7182

0.7661

0.7432

0.7311

Single

0.8168

0.7836

0.7774

0.7903

0.7582

0.7578

0.7653

0.7400

0.7426

Ward

0.8064

0.7278

0.7050

0.7801

0.6869

0.6606

0.7531

0.6464

0.6161

Weighted

0.8382

0.7551

0.7185

0.8182

0.7352

0.6918

0.8006

0.7197

0.6835

Cosine

Average

0.7689

0.6484

0.6138

0.7107

0.5463

0.4946

0.6596

0.4549

0.3908

Centroid

0.7618

0.6285

0.5866

0.6982

0.5106

0.4462

0.6270

0.3717

0.2936

Complete

0.7320

0.5960

0.5568

0.6604

0.4773

0.4226

0.5977

0.3743

0.3064

Median

0.7438

0.5702

0.5265

0.6802

0.4521

0.3862

0.6058

0.3286

0.2517

Single

0.7082

0.4942

0.4287

0.6182

0.3484

0.2651

0.5429

0.2451

0.1693

Ward

0.7467

0.6325

0.5991

0.6808

0.5240

0.4733

0.6213

0.4232

0.3521

Weighted

0.7534

0.5961

0.5531

0.6961

0.4958

0.4296

0.6454

0.4104

0.3378

Correlation

Average

0.8214

0.7466

0.7239

0.7213

0.5584

0.5060

0.6508

0.4269

0.3550

Centroid

0.8171

0.7330

0.7064

0.7117

0.5248

0.4587

0.6210

0.3434

0.2560

Complete

0.7978

0.7102

0.6794

0.6770

0.4992

0.4457

0.5887

0.3561

0.2874

Median

0.7984

0.6852

0.6596

0.6935

0.4756

0.4128

0.6027

0.3150

0.2328

Single

0.7931

0.6647

0.6319

0.6374

0.3624

0.2748

0.5293

0.2157

0.1354

Ward

0.8069

0.7378

0.7162

0.6955

0.5431

0.4940

0.6161

0.4096

0.3428

Weighted

0.8052

0.7017

0.6843

0.7059

0.5106

0.4557

0.6373

0.3914

0.3191

Spearman

Average

0.8198

0.7583

0.7455

0.7233

0.5638

0.5159

0.6505

0.4267

0.3567

Centroid

0.8113

0.7396

0.7212

0.7133

0.5336

0.4729

0.6199

0.3429

0.2537

Complete

0.8090

0.7788

0.7762

0.6802

0.5341

0.4983

0.5909

0.3558

0.2887

Median

0.7887

0.7136

0.7140

0.6960

0.4819

0.4238

0.6021

0.3126

0.2304

Single

0.6861

0.6736

0.6742

0.6404

0.4008

0.1821

0.5302

0.2190

0.1404

Ward

0.7881

0.7364

0.7273

0.6963

0.5488

0.5037

0.6170

0.4081

0.3425

Weighted

0.8112

0.7788

0.7762

0.7076

0.5157

0.4687

0.6366

0.3926

0.3197

Chebychev

Average

0.8373

0.7945

0.7740

0.8094

0.7588

0.7398

0.7824

0.7246

0.7059

Centroid

0.8338

0.7966

0.7774

0.8008

0.7627

0.7483

0.7601

0.7280

0.7181

Complete

0.7965

0.7182

0.6953

0.7581

0.6707

0.6424

0.7262

0.6226

0.5951

Median

0.8244

0.7546

0.7195

0.7913

0.7315

0.6996

0.7510

0.7061

0.6907

Single

0.8044

0.7700

0.7640

0.7663

0.7329

0.7324

0.7289

0.6940

0.6951

Ward

0.7978

0.7216

0.6996

0.7647

0.6761

0.6495

0.7351

0.6345

0.6038

Weighted

0.8279

0.7470

0.7135

0.8007

0.7171

0.6783

0.7745

0.6895

0.6557