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 and 4 chains

Variance model: Two-component variance function 

Mean of starting values for individual parameters:
      parent_0           k_m1 f_parent_to_m1             k1             k2 
         1e+02          5e-03          5e-01          6e-02          1e-02 
             g 
         5e-01 

Fixed degradation parameter values:
None

Results:

Likelihood computed by importance sampling
   AIC  BIC logLik
  2369 2379  -1170

Optimised parameters:
                est. lower upper
parent_0       1e+02 1e+02 1e+02
k_m1           5e-03 4e-03 6e-03
f_parent_to_m1 5e-01 4e-01 5e-01
k1             6e-02 5e-02 7e-02
k2             1e-02 9e-03 1e-02
g              5e-01 4e-01 5e-01

Correlation: 
               pr_0 k_m1 f___ k1   k2  
k_m1           -0.3                    
f_parent_to_m1 -0.3  0.3               
k1              0.1 -0.1 -0.1          
k2              0.0  0.0  0.0  0.1     
g               0.1 -0.1  0.0 -0.3 -0.3

Random effects:
                  est.  lower upper
SD.parent_0       0.02 -89.53  89.6
SD.k_m1           0.20   0.07   0.3
SD.f_parent_to_m1 0.32   0.20   0.4
SD.k1             0.38   0.23   0.5
SD.k2             0.33   0.20   0.5
SD.g              0.26   0.06   0.5

Variance model:
    est. lower upper
a.1 0.90  0.76  1.03
b.1 0.05  0.05  0.06

Resulting formation fractions:
             ff
parent_m1   0.5
parent_sink 0.5

Estimated disappearance times:
       DT50 DT90 DT50back DT50_k1 DT50_k2
parent   26  146       44      12      60
m1      144  478       NA      NA      NA