Model

Abbreviation

a

b

MBE

RMSE

MPE

R²

t-Test

Koronakis (1986)

Kr (ISO)

0.423

0.342

−12.4

21.2

−13.5

0.974

8.45

Badescu (2002)

Ba (ISO)

0.497

0.367

14.7

11.2

−14.9

0.985

4.34

Tian et al. (2001)

Ti (ISO)

0.312

0.487

−15.2

46.3

15.6

0.949

11.54

Liu and Jordan (1962)

LJ (ISO)

0.546

0.343

17.3

47.3

10.8

0.953

13.76

Skartveit and Olseth (1986)

SO (ANISO)

0.497

0.367

19.5

21.7

−12.3

0.965

6.28

Reindl et al. (1990)

Re (ANISO)

0.411

0.398

−25.7

31.8

17.5

0.971

8.94

Klucher (1979)

Kl (ANISO)

0.312

0.487

−16.28

39.5

16.4

0.949

12.54

Hay (1979)

Ha (ANISO)

0.546

0.349

15.7

22.7

11.8

0.953

14.92

Stevenand Unsworth (1980)

SU (ANISO)

0.497

0.334

11.5

29.5

−12.6

0.965

10.85