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Table 4 Mean MSE and AIC for regular & k-means shared frailty models from simulations

From: K-means for shared frailty models

Scenario #

Frailty p-value regular

Frailty p-value k-means

AIC regular

AIC k-means

MSE regular

MSE k-means

1

0.4311

0.4708

302.093

302.404

6.087

6.059

2

0.3412

0.3838

589.745

590.649

4.450

4.428

3

0.2709

0.3356

978.151

979.739

4.060

4.039

4

0.2320

0.3120

1318.412

1320.681

3.843

3.849

5

0.3013

0.3581

990.889

992.096

4.079

4.072

6

0.1990

0.2890

1855.438

1858.139

3.590

3.589

7

0.1410

0.2260

2727.565

2732.042

3.578

3.601

8

0.1300

0.2010

3135.058

3139.699

3.742

3.754

9

0.4021

0.4166

304.075

304.314

6.064

6.032

10

0.2976

0.3435

593.701

594.367

4.346

4.351

11

0.2312

0.2883

984.750

986.094

3.827

3.855

12

0.1960

0.2400

1324.327

1326.034

3.725

3.728

13

0.2675

0.3366

1005.633

1006.984

4.083

4.092

14

0.1790

0.2310

1875.053

1877.312

3.619

3.631

15

0.1270

0.1730

2740.402

2743.620

3.576

3.583

16

0.1090

0.1610

3149.836

3153.604

3.555

3.564

17

0.3759

0.4107

301.481

301.947

5.931

5.933

18

0.3058

0.3521

588.084

588.830

4.454

4.450

19

0.2146

0.2817

983.022

984.564

4.117

4.136

20

0.2040

0.2700

1330.645

1332.710

3.938

3.960

21

0.2531

0.3175

997.525

998.560

4.136

4.154

22

0.1820

0.2510

1879.733

1882.331

3.796

3.806

23

0.1100

0.1770

2732.218

736.838

3.663

3.681

24

0.0900

0.1490

3148.873

3154.325

3.627

3.645

25

0.0578

0.0407

1325.762

1327.56

3.637

3.664

26

0.0560

0.0255

3145.217

3150.437

3.629

3.645

27

0.0614

0.0379

1321.419

1323.576

3.813

3.831

28

0.0519

0.0254

3144.961

3149.621

3.663

3.701

29

0.0650

0.0420

1326.753

1328.96

3.986

3.992

30

0.0582

0.0318

3155.085

3160.036

3.637

3.659