saemix version used for fitting:      Dummy 0.0 for testing 
mkin version used for pre-fitting:  Dummy 0.0 for testing 
R version used for fitting:         Dummy R version for testing 
Date of fit:     Dummy date for testing 
Date of summary: Dummy date for testing 

Equations:
d_parent/dt = - ((k1 * g * exp(-k1 * time) + k2 * (1 - g) * exp(-k2 *
           time)) / (g * exp(-k1 * time) + (1 - g) * exp(-k2 * time)))
           * parent
d_m1/dt = + f_parent_to_m1 * ((k1 * g * exp(-k1 * time) + k2 * (1 - g)
           * exp(-k2 * time)) / (g * exp(-k1 * time) + (1 - g) *
           exp(-k2 * time))) * parent - k_m1 * m1

Data:
507 observations of 2 variable(s) grouped in 15 datasets

Model predictions using solution type analytical 

Fitted in test time 0 s using 300, 100 iterations

Variance model: Constant variance 

Mean of starting values for individual parameters:
      parent_0           k_m1 f_parent_to_m1             k1             k2 
       1.0e+02        4.6e-03        4.8e-01        6.4e-02        1.1e-02 
             g 
       4.6e-01 

Fixed degradation parameter values:
None

Results:

Likelihood computed by importance sampling
   AIC  BIC logLik
  2681 2690  -1328

Optimised parameters:
                  est.   lower   upper
parent_0       1.0e+02 1.0e+02 1.0e+02
k_m1           4.9e-03 4.2e-03 5.6e-03
f_parent_to_m1 4.8e-01 4.3e-01 5.3e-01
k1             6.2e-02 4.7e-02 7.6e-02
k2             1.2e-02 9.6e-03 1.4e-02
g              4.6e-01 4.1e-01 5.1e-01

Correlation: 
               prnt_0 k_m1   f_p__1 k1     k2    
k_m1           -0.172                            
f_parent_to_m1 -0.144  0.383                     
k1              0.132 -0.007 -0.024              
k2              0.044  0.138  0.030  0.197       
g              -0.067 -0.212 -0.061 -0.404 -0.531

Random effects:
                    est. lower upper
SD.parent_0       1.2032  0.27  2.13
SD.k_m1           0.0027 -8.31  8.31
SD.f_parent_to_m1 0.3358  0.21  0.46
SD.k1             0.4210  0.26  0.58
SD.k2             0.2800  0.17  0.39
SD.g              0.0100 -2.72  2.74

Variance model:
    est. lower upper
a.1  2.9   2.7     3

Resulting formation fractions:
              ff
parent_m1   0.48
parent_sink 0.52

Estimated disappearance times:
       DT50 DT90 DT50back DT50_k1 DT50_k2
parent   25  146       44      11      60
m1      142  471       NA      NA      NA