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nlme 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 4 iterations
Variance model: Constant variance
Mean of starting values for individual parameters:
parent_0 log_k_m1 f_parent_qlogis log_k1 log_k2
100.67 -5.38 -0.09 -2.74 -4.51
g_qlogis
-0.18
Fixed degradation parameter values:
value type
m1_0 0 state
Results:
AIC BIC logLik
2678 2733 -1326
Optimised, transformed parameters with symmetric confidence intervals:
lower est. upper
parent_0 99.8 100.7 101.62
log_k_m1 -5.6 -5.4 -5.25
f_parent_qlogis -0.3 -0.1 0.06
log_k1 -3.0 -2.8 -2.57
log_k2 -4.7 -4.5 -4.35
g_qlogis -0.4 -0.1 0.17
Correlation:
prnt_0 lg_k_1 f_prn_ log_k1 log_k2
log_k_m1 -0.167
f_parent_qlogis -0.145 0.380
log_k1 0.170 0.005 -0.026
log_k2 0.083 0.168 0.032 0.365
g_qlogis -0.088 -0.170 -0.044 -0.472 -0.631
Random effects:
Formula: list(parent_0 ~ 1, log_k_m1 ~ 1, f_parent_qlogis ~ 1, log_k1 ~ 1, log_k2 ~ 1, g_qlogis ~ 1)
Level: ds
Structure: Diagonal
parent_0 log_k_m1 f_parent_qlogis log_k1 log_k2 g_qlogis Residual
StdDev: 1 0.03 0.3 0.3 0.2 0.3 3
Backtransformed parameters with asymmetric confidence intervals:
lower est. upper
parent_0 1e+02 1e+02 1e+02
k_m1 4e-03 4e-03 5e-03
f_parent_to_m1 4e-01 5e-01 5e-01
k1 5e-02 6e-02 8e-02
k2 9e-03 1e-02 1e-02
g 4e-01 5e-01 5e-01
Resulting formation fractions:
ff
parent_m1 0.5
parent_sink 0.5
Estimated disappearance times:
DT50 DT90 DT50back DT50_k1 DT50_k2
parent 25 150 45 11 63
m1 154 512 NA NA NA
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