Models

Estimated parameters

PRSE

β₀

β₁

β₂

β₃

β₀

β₁

β₂

β₃

Linear models

M7

−2.238

2.301

4.8

1.5

(−0.107)

(−0.034)

M8

−3.127

0.929

0.278*

3

1.2

55.9

(−0.093)

(−0.011)

(−0.155)

M9

−3.142

1.847

0.945

0.274*

3.9

2.8

8.8

57.2

(−0.123)

(−0.051)

(−0.083)

(−0.157)

M10

−2.983

0.949

3.1

1.2

(−0.092)

(−0.011)

Nonlinear models

M11

0.913

1.744

17.8

2.5

(−0.162)

(−0.044)

M12

0.123

0.847

0.593

16.6

1.6

31.2

(−0.020)

(−0.014)

(−0.185)

M13

0.176

1.355

1.067

0.107

14.2

1.6

25.8

3.5

(−0.045)

(−0.048)

(−0.100)

(−0.266)

M14

0.138

0.849

9.4

248.6

(−0.020)

(−0.013)