Model

Abbreviation

a

b

MBE

RMSE

MPE

R²

t−Test

Koronakis (1986)

Kr (ISO)

0.347

0.432

16.3

14

8.5

0.947

6

Badescu (2002)

Ba (ISO)

0.652

0.207

−17.2

11

−11

0.969

3.7

Tian et al. (2001)

Ti (ISO)

0.425

0.358

15.3

10

−7.5

0.948

6.5

Liu and Jordan (1962)

LJ (ISO)

0.165

0.534

−11.5

22

−6.9

0.965

3.5

Skartveit and Olseth (1986)

SO (ANISO)

0.281

0.498

11

9

12

0.968

3.5

Reindl et al. (1990)

Re (ANISO)

0.623

0.265

21.8

12

10

0.987

4

Klucher (1979)

Kl (ANISO)

0.458

0.378

15.6

15

13

0.982

3

Hay (1979)

Ha (ANISO)

0.487

0.361

−18.6

14

−7.5

0.969

4

Stevenand Unsworth (1980)

SU (ANISO)

0.195

0.604

−13.3

7

11

0.991

1.8