Model

Abbreviation

a

b

MBE

RMSE

MPE

R²

t-Test

Koronakis (1986)

Kr (ISO)

0.534

0.432

25.8

39.7

16.7

0.981

11.74

Badescu (2002)

Ba (ISO)

0.194

0.625

12.6

28.7

−8.4

0.957

7.57

Tian et al. (2001)

Ti (ISO)

0.185

0.693

−27.9

25.9

13.7

0.962

8.11

Liu and Jordan (1962)

LJ (ISO)

0.281

0.524

18.4

18.7

16.4

0.958

9.87

Skartveit and Olseth (1986)

SO (ANISO)

0.674

0.241

−13.6

19.4

−11.7

0.974

10.35

Reindl et al. (1990)

Re (ANISO)

0.163

0.753

−27.9

25.9

16.3

0.962

7.61

Klucher (1979)

Kl (ANISO)

0.321

0.564

18.4

11.4

13.6

0.995

5.87

Hay (1979)

Ha (ANISO)

0.368

0.443

−27.9

24.6

15.1

0.962

9.66

Stevenand Unsworth (1980)

SU (ANISO)

0.489

0.341

−13.6

19.4

−14.7

0.974

10.56