Model

Abbreviation

a

b

MBE

RMSE

MPE

R²

t-Test

Koronakis (1986)

Kr (ISO)

0.482

0.325

11.2

30.8

15.4

0.985

6.54

Badescu (2002)

Ba (ISO)

0.532

0.387

−22.4

33.6

19.2

0.974

10.76

Tian et al. (2001)

Ti (ISO)

0.561

0.332

16.9

25.8

17.8

0.968

8.23

Liu and Jordan (1962)

LJ (ISO)

0.478

0.342

−19.3

19.7

13.1

0.983

6.64

Skartveit and Olseth (1986)

SO (ANISO)

0.419

0.382

−17.6

15.4

11.6

0.987

6.64

Reindl et al. (1990)

Re (ANISO)

0.396

0.456

−12.9

12.4

12.4

0.962

4.76

Klucher (1979)

Kl (ANISO)

0.462

0.395

16.8

6.5

15.2

0.991

3.7

Hay (1979)

Ha (ANISO)

0.516

0.364

−21.3

10.4

17.8

0.976

10.76

Stevenand Unsworth (1980)

SU (ANISO)

0.438

0.376

−15.7

19.7

13.6

0.981

6.64