mkin version used for 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 Model predictions using solution type analytical Fitted using test 0 model solutions performed in test time 0 s Error model: Constant variance Error model algorithm: OLS Starting values for parameters to be optimised: value type parent_0 85.100000 state k1 0.100000 deparm k2 0.010000 deparm g 0.500000 deparm sigma 0.696237 error Starting values for the transformed parameters actually optimised: value lower upper parent_0 85.100000 -Inf Inf log_k1 -2.302585 -Inf Inf log_k2 -4.605170 -Inf Inf g_ilr 0.000000 -Inf Inf sigma 0.696237 0 Inf Fixed parameter values: None Optimised, transformed parameters with symmetric confidence intervals: Estimate Std. Error Lower Upper parent_0 85.0000 0.66620 83.1500 86.8500 log_k1 -0.7775 0.03380 -0.8713 -0.6836 log_k2 -4.0260 0.13100 -4.3890 -3.6620 g_ilr 1.2490 0.05811 1.0870 1.4100 sigma 0.6962 0.16410 0.2406 1.1520 Parameter correlation: parent_0 log_k1 log_k2 g_ilr sigma parent_0 1e+00 4e-01 9e-02 -3e-02 5e-07 log_k1 4e-01 1e+00 5e-01 -7e-01 4e-07 log_k2 9e-02 5e-01 1e+00 -8e-01 -1e-07 g_ilr -3e-02 -7e-01 -8e-01 1e+00 -2e-08 sigma 5e-07 4e-07 -1e-07 -2e-08 1e+00 Backtransformed parameters: Confidence intervals for internally transformed parameters are asymmetric. t-test (unrealistically) based on the assumption of normal distribution for estimators of untransformed parameters. Estimate t value Pr(>t) Lower Upper parent_0 85.00000 127.600 1.131e-08 83.15000 86.85000 k1 0.45960 29.580 3.887e-06 0.41840 0.50480 k2 0.01785 7.636 7.901e-04 0.01241 0.02568 g 0.85390 83.310 6.221e-08 0.82310 0.88020 sigma 0.69620 4.243 6.618e-03 0.24060 1.15200 FOCUS Chi2 error levels in percent: err.min n.optim df All data 2.661 4 5 parent 2.661 4 5 Estimated disappearance times: DT50 DT90 DT50_k1 DT50_k2 parent 1.887 21.25 1.508 38.83 Data: time variable observed predicted residual 0 parent 85.1 85.003 0.09726 1 parent 57.9 58.039 -0.13912 3 parent 29.9 30.054 -0.15351 7 parent 14.6 13.866 0.73388 14 parent 9.7 9.787 -0.08657 28 parent 6.6 7.532 -0.93205 63 parent 4.0 4.033 -0.03269 91 parent 3.9 2.447 1.45348 119 parent 0.6 1.484 -0.88424