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 with method Port using test 0 model solutions performed in test time 0 s Weighting: none Starting values for parameters to be optimised: value type parent_0 85.10 state k1 0.10 deparm k2 0.01 deparm g 0.50 deparm 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 Fixed parameter values: None Optimised, transformed parameters with symmetric confidence intervals: Estimate Std. Error Lower Upper parent_0 85.0000 0.89070 82.7100 87.2900 log_k1 -0.7775 0.04430 -0.8914 -0.6636 log_k2 -4.0260 0.17030 -4.4640 -3.5880 g_ilr 1.2490 0.07619 1.0530 1.4450 Parameter correlation: parent_0 log_k1 log_k2 g_ilr parent_0 1.00000 0.4338 0.07924 -0.01897 log_k1 0.43380 1.0000 0.46567 -0.66010 log_k2 0.07924 0.4657 1.00000 -0.74183 g_ilr -0.01897 -0.6601 -0.74183 1.00000 Residual standard error: 0.9341 on 5 degrees of freedom 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 95.440 1.197e-09 82.71000 87.29000 k1 0.45960 22.570 1.586e-06 0.41010 0.51500 k2 0.01785 5.873 1.016e-03 0.01152 0.02765 g 0.85390 63.540 9.135e-09 0.81590 0.88520 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