Kinetic nonlinear mixed-effects model fit by SAEM
Structural model:
d_parent/dt = - k_parent * parent

Data:
262 observations of 1 variable(s) grouped in 15 datasets

Likelihood computed by importance sampling
   AIC  BIC logLik
  1310 1315   -649

Fitted parameters:
             estimate lower upper
parent_0        1e+02 98.87 1e+02
k_parent        4e-02  0.03 4e-02
Var.parent_0    1e+00 -1.72 5e+00
Var.k_parent    1e-01  0.03 2e-01
a.1             9e-01  0.75 1e+00
b.1             5e-02  0.04 5e-02
SD.parent_0     1e+00 -0.12 3e+00
SD.k_parent     3e-01  0.20 4e-01