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:
509 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        1.8e-03        4.8e-01        4.5e-02        1.9e-02 
             g 
       5.1e-01 

Fixed degradation parameter values:
None

Results:

Likelihood computed by importance sampling
   AIC  BIC logLik
  2692 2702  -1333

Optimised parameters:
                  est.   lower   upper
parent_0       1.0e+02 99.3030 1.0e+02
k_m1           2.2e-03  0.0016 2.8e-03
f_parent_to_m1 4.9e-01  0.4477 5.3e-01
k1             4.0e-02  0.0239 5.6e-02
k2             1.5e-02  0.0085 2.2e-02
g              5.0e-01  0.3805 6.2e-01

Correlation: 
               prnt_0 k_m1   f_p__1 k1     k2    
k_m1           -0.152                            
f_parent_to_m1 -0.138  0.396                     
k1              0.085 -0.036 -0.026              
k2              0.005  0.067  0.018 -0.043       
g              -0.075 -0.113 -0.029 -0.248 -0.263

Random effects:
                  est. lower upper
SD.parent_0       1.23  0.39  2.07
SD.k_m1           0.14 -0.48  0.75
SD.f_parent_to_m1 0.28  0.17  0.39
SD.k1             0.71  0.42  1.00
SD.k2             0.78  0.47  1.09
SD.g              0.27 -0.33  0.86

Variance model:
    est. lower upper
a.1  2.7   2.6   2.9

Resulting formation fractions:
              ff
parent_m1   0.49
parent_sink 0.51

Estimated disappearance times:
       DT50 DT90 DT50back DT50_k1 DT50_k2
parent   27  110       33      17      46
m1      318 1055       NA      NA      NA