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Table 3 MLEs of the parameters from some fitted regression models to the Efron’s data, the corresponding SEs (given in parentheses), p-values in [.] and the AIC and BIC measures

From: The gamma extended Weibull distribution

Model

a

α

σ

β 0

β 1

AIC

BIC

LGEW

0.3101

32.5577

0.1420

5.6000

−0.0868

281.4

294.2

 

(0.0904)

(21.3182)

(0.0405)

(0.1706)

(0.1654)

  
    

[ <0.0001]

[0.6010]

  

LGW

0.0264

0

0.0510

8.0113

−0.6274

339.7

349.9

 

(0.0079)

 

(0.0152)

(0.1458)

(0.1608)

  
    

[ <0.0001]

[0.0002]

  

LW

1

0

1.1800

6.7873

−0.7586

312.6

320.3

   

(0.1082)

(0.2088)

(0.2803)

  
    

[ <0.0001]

[0.0089]

  
 

a

b

σ

β 0

β 1

AIC

BIC

LBW

167.06

14.0059

12.8338

−6.0419

−0.5836

299.4

312.2

 

(0.3987)

(0.0682)

(1.1065)

(1.0492)

(0.2726)

  
    

[ <0.0001]

[0.0348]

  

KwL

16.2819

312.91

5.8106

1.6912

−0.6834

308.0

320.8

 

(2.6189)

(24.86)

(0.3258)

(6.0235)

(0.2792)

  
    

[0.7795]

[0.0162]