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Table 2 AIC values estimated for \(K \in \left[ 3,21 \right]\)

From: Model-based clustering of multipath propagation in powerline communication channels

Mixture model

G\(_ {\gamma }\)MM

IG\(_ {\gamma }\)MM

NMM

INMM

GMM

RMM

IGMM

\(K=3\)

− 334.1857

− 350.9654

− 347.9581

− 351.5738

− 313.9865

− 295.5700

− 350.3486

\(K=4\)

− 333.2412

− 355.4684

− 354.3063

− 355.5885

− 330.8767

− 290.2671

− 355.3550

\(K=5\)

− 329.9266

− 353.0241

− 363.4997

− 364.2100

− 358.1729

− 284.4337

− 363.5221

\(K=6\)

− 331.4286

− 361.1313

− 368.5970

− 365.8892

− 367.5014

− 277.9864

− 368.2715

\(K=7\)

− 319.8902

− 354.8533

− 365.4429

− 372.7487

− 361.9111

− 270.8226

− 361.1077

\(K_{\mathrm{opt}}=8\)

− 317.4058

− 349.3820

− 357.3971

− 383.5133

− 336.5550

− 262.8161

− 357.4874

\(K=9\)

− 309.3846

− 349.6467

− 362.3849

− 370.5133

− 343.3241

− 253.8087

− 356.7042

\(K=10\)

− 301.5775

− 369.4797

− 371.7292

− 367.5000

− 345.0854

− 243.6004

− 372.9758

\(K=11\)

− 290.2804

− 330.1499

− 339.8575

− 367.3161

− 321.4491

− 231.9338

− 334.8292

\(K=12\)

− 286.1923

− 348.3962

− 328.3997

− 350.1985

− 314.5583

− 218.4722

− 361.4057

\(K=13\)

− 267.6066

− 304.1411

− 303.4176

− 331.8072

− 289.5755

− 202.7671

− 337.1425

\(K=14\)

− 253.4266

− 305.3975

− 286.5254

− 345.9448

− 285.6640

− 184.2065

− 327.0185

\(K=15\)

− 230.5696

− 294.2617

− 275.4093

− 325.6961

− 268.6821

− 161.9338

− 305.9090

\(K=16\)

− 203.3850

− 271.8704

− 234.0650

− 300.8839

− 282.6890

− 134.7116

− 277.5505

\(K=17\)

− 169.3280

− 233.0117

− 206.4532

− 257.7724

− 277.4756

− 100.6838

− 243.4957

\(K=18\)

− 125.5837

− 177.7226

− 200.9584

− 195.1257

− 158.4187

− 56.9338

− 206.1883

\(K=19\)

− 69.7917

− 129.6232

− 118.0975

− 162.6962

− 121.3401

1.3995

− 143.2777

\(K=20\)

13.4495

− 55.7850

− 18.7447

− 74.0224

− 100.1851

83.0662

− 66.1916

\(K=21\)

103.0252

− 1.1628

61.8242

− 15.5922

− 53.8652

182.5822

− 11.0423

  1. The best-fit model for each Kth cluster index was shown in bold