Model

Abbreviation

a

b

MBE

RMSE

MPE

R²

t-Test

Koronakis (1986)

Kr (ISO)

0.154

0.425

19.6

8.7

12.4

0.991

3.64

Badescu (2002)

Ba (ISO)

0.294

0.656

−15.8

19.5

−9.3

0.974

5.55

Tian et al. (2001)

Ti (ISO)

0.345

0.511

18.7

24.2

12.8

0.985

7.89

Liu and Jordan (1962)

LJ (ISO)

0.534

0.632

−22.4

29.5

11.6

0.942

8.47

Skartveit and Olseth (1986)

SO (ANISO)

0.674

0.341

−13.6

16.7

−9.3

0.974

5.55

Reindl et al. (1990)

Re (ANISO)

0.127

0.425

25.3

41.3

16.7

0.981

11.74

Klucher (1979)

Kl (ANISO)

0.558

0.655

−11.4

18.4

−9.3

0.974

5.55

Hay (1979)

Ha (ANISO)

0.621

0.371

−21.2

26.1

11.6

0.942

8.47

Stevenand Unsworth (1980)

SU (ANISO)

0.192

0.485

−17.5

15.2

−9.3

0.974

5.55