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
  2679 2689  -1327

Optimised parameters:
                  est.   lower   upper
parent_0       1.0e+02 1.0e+02 1.0e+02
k_m1           4.8e-03 4.1e-03 5.5e-03
f_parent_to_m1 4.8e-01 4.3e-01 5.2e-01
k1             5.9e-02 4.6e-02 7.2e-02
k2             1.1e-02 9.0e-03 1.3e-02
g              4.9e-01 4.3e-01 5.4e-01

Correlation: 
               prnt_0 k_m1   f_p__1 k1     k2    
k_m1           -0.168                            
f_parent_to_m1 -0.141  0.379                     
k1              0.139 -0.004 -0.024              
k2              0.055  0.154  0.033  0.246       
g              -0.078 -0.206 -0.058 -0.435 -0.601

Random effects:
                    est. lower upper
SD.parent_0       1.1986  0.28  2.12
SD.k_m1           0.0034 -6.85  6.86
SD.f_parent_to_m1 0.3369  0.21  0.46
SD.k1             0.3790  0.24  0.52
SD.k2             0.2666  0.16  0.37
SD.g              0.0401 -0.67  0.75

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  150       45      12      64
m1      145  483       NA      NA      NA