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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:
509 observations of 2 variable(s) grouped in 15 datasets
Model predictions using solution type analytical
Fitted in test time 0 s using 3 iterations
Variance model: Constant variance
Mean of starting values for individual parameters:
parent_0 log_k_m1 f_parent_qlogis log_k1 log_k2
100.70 -5.35 -0.08 -2.68 -4.37
g_qlogis
-0.33
Fixed degradation parameter values:
value type
m1_0 0 state
Results:
AIC BIC logLik
2683 2738 -1329
Optimised, transformed parameters with symmetric confidence intervals:
lower est. upper
parent_0 99.6 100.43 101.26
log_k_m1 -5.5 -5.34 -5.18
f_parent_qlogis -0.3 -0.08 0.09
log_k1 -3.2 -2.90 -2.60
log_k2 -4.6 -4.34 -4.07
g_qlogis -0.5 -0.19 0.08
Correlation:
prnt_0 lg_k_1 f_prn_ log_k1 log_k2
log_k_m1 -0.177
f_parent_qlogis -0.164 0.385
log_k1 0.108 -0.017 -0.025
log_k2 0.036 0.054 0.008 0.096
g_qlogis -0.068 -0.110 -0.030 -0.269 -0.267
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 0.1 0.3 0.6 0.5 0.3 3
Backtransformed parameters with asymmetric confidence intervals:
lower est. upper
parent_0 1e+02 1e+02 1e+02
k_m1 4e-03 5e-03 6e-03
f_parent_to_m1 4e-01 5e-01 5e-01
k1 4e-02 6e-02 7e-02
k2 1e-02 1e-02 2e-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 26 131 39 13 53
m1 144 479 NA NA NA
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