Models

Estimated parameters

PRSE

β₀

β₁

β₂

β₀

β₁

β₂

Linear models

M1

−8.907

2.385

1.25

1.5

(−0.112)

(−0.036)

M2

−9.909

0.954

0.96

1.12

(−0.095)

(−0.011)

M3

−9.883

0.962

0.925

1.29

2.72

9.7

(−0.127)

(−0.026)

(−0.090)

Nonlinear models

M4

0.0015

1.751

18.15

2.55

(0.000)

(−0.045)

M5

0.0002

0.845

15.09

1.6

(0.000)

(−0.014)

M6

0.0001

0.827

0.939

18.02

2.35

7.28

(0.000)

(−0.019)

(−0.068)