Intelligent systems in accounting, finance and managementassessing predictive performance of ann-based classifiers, страница 17

a

PR1: ‘no preprocessing’; PR2: ‘normalization’.

Table VII. Accuracy rates for distribution pairs’ comparison (no preprocessing)

REAL

UNIF

NORM

LOG

LAP

REAL

UNIF

NORM

LOG

LAP

TR

TR

TR

TR

TR

TS

TS

TS

TS

TS

GAO            93.02

95.84

96.39

94.82

90.09

85.24

88.57

89.46

81.19

80.41

GAM           92.86

95.84

96.60

94.99

90.00

85.48

87.86

89.64

81.43

81.02

GAA            92.92

95.78

96.49

94.80

90.16

85.48

88.93

90.00

81.43

81.22

GAU            93.30

95.76

96.43

94.82

90.19

85.95

88.75

89.82

81.19

81.02

RT1              92.22

94.92

95.48

92.70

88.12

83.49

89.11

89.46

79.92

78.10

RT2              92.43

95.04

95.45

92.70

88.06

83.97

88.57

89.52

79.92

77.76

RT3              92.41

94.84

95.52

92.53

88.06

83.81

89.05

89.52

79.29

77.89

Table VII

I. Distribu

tion influ

ence on tra

ining

REAL

REAL

REAL       REAL

UNIF

UNIF

UNIF

NORM

NORM

LOG

UNIF

NORM

LOG           LAP

NORM

LOG

LAP

LOG

LAP

LAP

Mann–Whitney U

0.000

0.000

12.000        0.000

12.000

2.000

0.000

0.000

0.000

0.000

Wilcoxon W

28.000

28.000

40.000      28.000

40.000

30.000

28.000

28.000

28.000

28.000

Z

(3.134)

(3.130)

(1.599)

(3.134)

(1.599)

(2.881)

(3.137)

(3.134)

(3.134)

(3.137)

Asymp. sig. (2-tailed)

0.002

0.002

0.110

0.002

0.110

0.004

0.002

0.002

0.002

0.002

Exact sig.

0.001

0.001

0.128

0.001

0.128

0.002

0.001

0.001

0.001

0.001

[2 × (1-tailed sig.)] Kolmogorov–Smirnov Z

1.871

1.871

1.069

1.871

1.069

1.604

1.871

1.871

1.871

1.871

Asymp. sig. (2-tailed)

0.002

0.002

0.203

0.002

0.203

0.012

0.002

0.002

0.002

0.002

Table I

X. Distrib

ution in

fluence o

n testing

REAL

REAL

REAL

REAL

UNIF

UNIF

UNIF

NORM

NORM

LOG

UNIF

NORM

LOG

LAP

NORM

LOG

LAP

LOG

LAP

LAP

Mann–Whitney U

0.000

0.000

0.000

0.000

0.000

0.000

0.000

0.000

0.000

14.000

Wilcoxon W

28.000

28.000

28.000

28.000

28.000

28.000

28.000

28.000

28.000

42.000

Z

(3.134)

(3.137)

(3.144)

(3.134)

(3.134)

(3.141)

(3.130)

(3.144)

(3.134)

(1.346)

Asymp. sig. (2-tailed)

0.002

0.002

0.002

0.002

0.002

0.002

0.002

0.002

0.002

0.178

Exact sig.

0.001

0.001

0.001

0.001

0.001

0.001

0.001

0.001

0.001

0.209

[2 × (1-tailed sig.)] Kolmogorov–Smirnov Z

1.871

1.871

1.871

1.871

1.871

1.871

1.871

1.871

1.871

0.802

Asymp. sig. (2-tailed)

0.002

0.002

0.002

0.002

0.002

0.002

0.002

0.002

0.002

0.541