Research Article

Stochastic Mixed-Effects Parameters Bertalanffy Process, with Applications to Tree Crown Width Modeling

Table 2

Estimated parameters (standard errors) of all the used fixed-effects and mixed-effects models applied to the estimation dataset.

Models
(number of parameters)
Parameters

Fixed
(4)
2.4943
(0.0153)
2.83 10−6
(2.69 10−7)
0.9999
(1.50 10−5)
0.0546
(0.0010)

Fixed +
(5)
0.9532
(0.1141)
−0.0159
(0.0029)
1.1031
(0.0074)
−0.0238
(0.0018)
0.0495
(0.0074)

Mixed
(5)
1.9439
(0.0964)
−0.0177
(0.0015)
2.8998
(0.3025)
0.0742
(0.0008)
0.3394
(0.0671)

Mixed +
(6)
1.7490
(0.00670)
7.88 10−5
(3.04 10−5)
1.0010
(0.0009)
0.0068
(0.0009)
0.0452
(0.0008)
0.0638
(0.0134)