Model

Abbreviation

a

b

MBE

RMSE

MPE

R²

t-Test

Koronakis (1986)

Kr (ISO)

0.345

0.511

−30.4

9.3

14.6

0.989

4.61

Badescu (2002)

Ba (ISO)

0.281

0.524

18.9

17.9

16.9

0.958

8.87

Tian et al. (2001)

Ti (ISO)

0.319

0.511

−28.7

10.5

18.7

0.972

9.11

Liu and Jordan (1962)

LJ (ISO)

0.437

0.411

−24.2

11.2

11.3

0.972

6.16

Skartveit and Olseth (1986)

SO (ANISO)

0.334

0.532

25.8

37.8

16.7

0.981

11.74

Reindl et al. (1990)

Re (ANISO)

0.474

0.341

−13.6

19.4

−11.7

0.974

6.47

Klucher (1979)

Kl (ANISO)

0.165

0.653

−27.9

25.9

13.7

0.962

8.51

Hay (1979)

Ha (ANISO)

0.257

0.624

14.7

16.3

15.4

0.958

6.47

Stevenand Unsworth (1980)

SU (ANISO)

0.318

0.549

15.6

13.7

12.8

0.958

7.35