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Table 2 Basic statistical properties of the features and the estimation results of the first-stage models

From: Two-stage credit scoring using Bayesian approach

Variable

Basic Statistical Properties

Model Fit Results

Mean (SD)

Skewness

Kurtosis

C

Z-stat

P-value

Category: Registration

 Constant

− 4.35

− 153.34

< 0.001

 Customer registration: connecting a social network service

− 0.001 (0.050)

− 8.86

76.58

1.32

1.88

0.060

 Customer registration: completed

− 0.007 (0.117)

2.95

6.71

1.26

5.98

< 0.001

 Product registration: acquiring mobile marketing information

− 0.004 (0.101)

− 4.09

21.36

0.87

2.57

0.010

 Product registration: click application form

− 0.011 (0.150)

− 0.30

− 1.23

1.13

5.72

< 0.001

Category: Authentication

 Constant

− 4.35

− 150.65

< 0.001

 Confirmation of identification

− 0.002 (0.070)

0.90

− 1.19

0.79

1.84

0.066

 Confirmation of personal mobile phone number

− 0.008 (0.114)

6.87

47.77

1.23

6.83

< 0.001

 Customer verification

− 0.001 (0.049)

2.13

36.05

1.14

2.21

0.027

 PIN authentication

− 0.013 (0.147)

4.98

22.78

0.95

6.80

< 0.001

 Completion of enhanced verification

− 0.003 (0.081)

1.92

1.69

1.45

4.20

< 0.001

 Application of mobile scraping

− 0.007 (0.129)

− 2.03

2.10

1.49

5.56

< 0.001

 Application of PC scraping

− 0.052 (0.399)

− 3.34

9.57

0.99

6.98

< 0.001

Category: Transaction

 Constant

− 4.35

− 152.49

< 0.001

 Click the transfer request button

− 0.039 (0.273)

0.80

2.50

0.66

2.87

0.004

 Transfer completed

− 0.037 (0.260)

1.11

3.48

0.43

1.83

0.067

 Safe box balance change

− 0.005 (0.109)

− 3.36

9.40

1.20

3.84

0.000

Category: Account activity

 Constant

− 4.35

− 152.89

< 0.001

 Click card use button of an on-demand account

− 0.004 (0.085)

3.15

8.22

1.73

5.47

< 0.001

 Select my account

− 0.009 (0.134)

0.25

− 1.64

0.78

2.94

0.003

 Produce information inquiry

− 0.009 (0.130)

1.44

0.06

0.61

2.69

0.007

 Click transaction history search icon

0.000 (0.018)

3.66

11.40

2.90

1.86

0.063

 Completion of monthly rental agreement information

− 0.008 (0.150)

− 5.74

33.16

0.83

2.93

0.003

 Completed of the produce cancellation

− 0.013 (0.174)

− 1.99

2.09

0.86

4.13

< 0.001

Category: Debit card

 Constant

 

− 4.35

− 154.09

< 0.001

 Debit card: select types of card

− 0.008 (0.122)

1.77

1.14

0.72

1.44

0.150

 Debit card: check card application details

− 0.007 (0.116)

2.04

2.17

0.32

0.62

0.535

Category: Recommendation

 Constant

− 4.35

− 151.72

< 0.001

 Click ad banner

0.000 (0.021)

2.46

4.04

5.15

3.58

< 0.001

 Click login-popup banner

− 0.006 (0.111)

− 1.28

− 0.14

0.69

2.25

0.024

 To-do card click

− 0.032 (0.293)

− 3.05

7.57

0.74

4.67

< 0.001

 To-do card exposure count

− 0.037 (0.280)

− 0.43

− 0.69

0.77

6.69

< 0.001

 Click app-push

− 0.013 (0.171)

− 2.55

7.46

0.76

3.66

< 0.001

Category: OCR

 Constant

− 4.35

− 154.18

< 0.001

 Automatic recognition of customer identity

− 0.005 (0.117)

− 6.01

46.56

0.92

2.82

0.005

 Taking photo of customer identification

− 0.001 (0.053)

− 3.94

13.56

0.63

1.06

0.288

Category: Menu

 Constant

-–

− 4.35

− 153.56

< 0.001

 All tab: list menu

− 0.012 (0.158)

0.04

− 1.47

0.85

4.67

< 0.001

 All tab: profile area

− 0.001 (0.051)

6.42

41.52

1.15

2.44

0.015

 Click recommendation tab

− 0.009 (0.137)

− 1.48

5.37

0.90

3.91

< 0.001

 Guide tab: click FAQ category

− 0.001 (0.049)

7.07

48.01

1.22

2.45

0.014

Category: Login/out

 Constant

   

− 4.35

− 152.75

< 0.001

 Login

− 0.041 (0.286)

0.42

− 0.81

0.69

4.00

< 0.001

 Run the application

− 0.036 (0.262)

0.83

0.19

0.40

2.22

0.027

Category: Custom setting

 Constant

   

− 4.35

− 154.13

< 0.001

 Change the name of account

− 0.006 (0.125)

− 7.68

62.46

0.86

2.34

0.019

 Change the color of account

− 0.003 (0.089)

− 9.43

86.92

0.63

1.27

0.205

  1. C: coefficient; FAQ: frequently asked questions; OCR: optical character recognition; PC: personal computer; PIN: personal identification number