Diagnostic measures

Estimators

Nature of data analysis

RMSE

Influential points

Cook’s D

OLS

All Data

208.89

(42.99)

0.61

(0.65)

1.26

(0.27)

−1.22

(1.50)

144.48

15, 16, 31,

30, 20

WIP

139.97

(1.52)

1.52

(0.55)

0.87

(0.32)

−0.77

(1.44)

70.22

M

All Data

138.83

(21.23)

1.34

(0.32)

0.99

(0.13)

−1.02

(0.74)

67.50

30, 31, 16,

21, 14

WIP

140.10

(19.85)

1.11

(0.34)

1.05

(0.13)

−0.65

(0.72)

52.08

MM

All Data

143.22

(15.11)

0.07

(0.22)

2.31

(0.145

−5.63

(0.69)

62.80

15, 30, 31,

14, 12, 13,

11, 9, 1, 3,

10, 18

WIP

88.96

(18.78)

1.31

(0.49)

1.19

(0.42)

−2.06

(1.30)

19.34

S

All Data

135.64

(21.83)

1.35

(0.33)

0.99

(0.15)

−1.04

(0.70)

91.94

30, 31, 16,

21

WIP

135.20

(22.85)

1.15

(0.37)

1.03

(0.14)

−0.66

(0.76)

64.71

LTS

All Data

147.63

(14.59)

0.08

(0.22)

2.29

(0.14)

−5.61

(0.69)

44.50

15, 30, 31,

12, 14, 13,

20, 11

WIP

124.52

(10.79)

0.47

(0.26)

2.11

(0.19)

−5.52

(0.82)

29.75

DFFITS

OLS

All Data

208.89

(42.99)

0.61

(0.65)

1.26

(0.27)

−1.22

(1.50)

144.48

15, 16, 31,

30, 20

WIP

139.97

(1.52)

1.52

(0.55)

0.87

(0.32)

−0.77

(1.44)

70.22

M

All Data

138.83

(21.23)

1.34

(0.32)

0.99

(0.13)

−1.02

(0.74)

67.50

30, 31, 36

WIP

134.80

(21.38)

1.35

(0.34)

0.99

(0.15)

−1.046

(0.71)

55.85

MM

All Data

143.22

(15.11)

0.07

(0.22)

2.31

(0.145

−5.63

(0.69)

62.80

31, 15, 30,

14, 12, 13,

11, 9

WIP

81.26

(19.93)

1.46

(0.57)

1.08

(0.49)

−1.81

(1.50)

30.20

S

All Data

135.64

(21.83)

1.35

(0.33)

0.99

(0.15)

−1.04

(0.70)

91.94

30, 31, 16

WIP

121.652

(22.05)

1.43

(0.33)

0.97

(0.14)

−1.11

(0.67)

66.48

LTS

All Data

147.63

(14.59)

0.08

(0.22)

2.29

(0.14)

−5.61

(0.69)

44.50

15, 30, 31,

12, 14, 13

WIP

130.77

(10.82)

0.05

(0.15)

2.333

(0.10)

−5.70

(0.48)

31.23