Model

Abbreviation

a

b

MBE

RMSE

MPE

R²

t−Test

Koronakis (1986)

Kr (ISO)

0.396

0.456

−12.6

12.4

11.2

0.992

3.76

Badescu (2002)

Ba (ISO)

0.432

0.325

11.2

30.8

15.8

0.985

6.54

Tian et al. (2001)

Ti (ISO)

0.532

0.387

−22.4

33.6

19.2

0.974

10.76

Liu and Jordan (1962)

LJ (ISO)

0.497

0.367

14.7

22.5

−14.9

0.965

6.34

Skartveit and Olseth (1986)

SO (ANISO)

0.411

0.398

−25.4

31.2

17.6

0.971

8.94

Reindl et al. (1990)

Re (ANISO)

0.571

0.332

16.9

25.8

16.4

0.978

7.23

Klucher (1979)

Kl (ANISO)

0.478

0.322

−19.3

19.7

13.8

0.983

6.64

Hay (1979)

Ha (ANISO)

0.396

0.456

−13.7

21.6

12.4

0.972

4.76

Stevenand Unsworth (1980)

SU (ANISO)

0.411

0.325

15.3

27.8

17.8

0.985

6.54