From cf54ccca37d27480dbf8d59eb027300518f7ad75 Mon Sep 17 00:00:00 2001
From: Johannes Ranke Johannes
Ranke
- Last change 18 May 2022
-(rebuilt 2023-04-20)
+ Last change 18 May 2023
+(rebuilt 2023-05-19)
Source: vignettes/FOCUS_L.rmd
FOCUS_L.rmd
## mkin version used for fitting: 1.2.3
-## R version used for fitting: 4.2.3
-## Date of fit: Thu Apr 20 07:37:15 2023
-## Date of summary: Thu Apr 20 07:37:15 2023
+## mkin version used for fitting: 1.2.4
+## R version used for fitting: 4.3.0
+## Date of fit: Fri May 19 09:20:25 2023
+## Date of summary: Fri May 19 09:20:25 2023
##
## Equations:
## d_parent/dt = - k_parent * parent
@@ -276,17 +276,17 @@ objects.
## Warning in sqrt(1/diag(V)): NaNs produced
## Warning in cov2cor(ans$covar): diag(.) had 0 or NA entries; non-finite result
## is doubtful
-## mkin version used for fitting: 1.2.3
-## R version used for fitting: 4.2.3
-## Date of fit: Thu Apr 20 07:37:16 2023
-## Date of summary: Thu Apr 20 07:37:16 2023
+## mkin version used for fitting: 1.2.4
+## R version used for fitting: 4.3.0
+## Date of fit: Fri May 19 09:20:25 2023
+## Date of summary: Fri May 19 09:20:25 2023
##
## Equations:
## d_parent/dt = - (alpha/beta) * 1/((time/beta) + 1) * parent
##
## Model predictions using solution type analytical
##
-## Fitted using 369 model solutions performed in 0.025 s
+## Fitted using 342 model solutions performed in 0.021 s
##
## Error model: Constant variance
##
@@ -314,22 +314,22 @@ objects.
##
## Results:
##
-## AIC BIC logLik
-## 95.88781 99.44929 -43.9439
+## AIC BIC logLik
+## 95.88782 99.44931 -43.94391
##
## Optimised, transformed parameters with symmetric confidence intervals:
## Estimate Std. Error Lower Upper
## parent_0 92.47 1.2820 89.720 95.220
-## log_alpha 13.78 NaN NaN NaN
-## log_beta 16.13 NaN NaN NaN
-## sigma 2.78 0.4598 1.794 3.766
+## log_alpha 13.20 NaN NaN NaN
+## log_beta 15.54 NaN NaN NaN
+## sigma 2.78 0.4607 1.792 3.768
##
## Parameter correlation:
-## parent_0 log_alpha log_beta sigma
-## parent_0 1.0000000 NaN NaN 0.0001671
-## log_alpha NaN 1 NaN NaN
-## log_beta NaN NaN 1 NaN
-## sigma 0.0001671 NaN NaN 1.0000000
+## parent_0 log_alpha log_beta sigma
+## parent_0 1.000000 NaN NaN 0.000603
+## log_alpha NaN 1 NaN NaN
+## log_beta NaN NaN 1 NaN
+## sigma 0.000603 NaN NaN 1.000000
##
## Backtransformed parameters:
## Confidence intervals for internally transformed parameters are asymmetric.
@@ -337,9 +337,9 @@ objects.
## for estimators of untransformed parameters.
## Estimate t value Pr(>t) Lower Upper
## parent_0 9.247e+01 NA NA 89.720 95.220
-## alpha 9.658e+05 NA NA NA NA
-## beta 1.010e+07 NA NA NA NA
-## sigma 2.780e+00 NA NA 1.794 3.766
+## alpha 5.386e+05 NA NA NA NA
+## beta 5.633e+06 NA NA NA NA
+## sigma 2.780e+00 NA NA 1.792 3.768
##
## FOCUS Chi2 error levels in percent:
## err.min n.optim df
@@ -347,8 +347,8 @@ objects.
## parent 3.619 3 6
##
## Estimated disappearance times:
-## DT50 DT90 DT50back
-## parent 7.25 24.08 7.25
+## DT50 DT90 DT50back
+## parent 7.249 24.08 7.249
We get a warning that the default optimisation algorithm
Port
did not converge, which is an indication that the
model is overparameterised, i.e. contains too many parameters
@@ -427,17 +427,17 @@ kinetics.
summary(m.L2.FOMC, data = FALSE)
-## mkin version used for fitting: 1.2.3
-## R version used for fitting: 4.2.3
-## Date of fit: Thu Apr 20 07:37:16 2023
-## Date of summary: Thu Apr 20 07:37:16 2023
+## mkin version used for fitting: 1.2.4
+## R version used for fitting: 4.3.0
+## Date of fit: Fri May 19 09:20:25 2023
+## Date of summary: Fri May 19 09:20:25 2023
##
## Equations:
## d_parent/dt = - (alpha/beta) * 1/((time/beta) + 1) * parent
##
## Model predictions using solution type analytical
##
-## Fitted using 239 model solutions performed in 0.015 s
+## Fitted using 239 model solutions performed in 0.013 s
##
## Error model: Constant variance
##
@@ -472,10 +472,10 @@ kinetics.
##
## Parameter correlation:
## parent_0 log_alpha log_beta sigma
-## parent_0 1.000e+00 -1.151e-01 -2.085e-01 -7.828e-09
-## log_alpha -1.151e-01 1.000e+00 9.741e-01 -1.602e-07
-## log_beta -2.085e-01 9.741e-01 1.000e+00 -1.372e-07
-## sigma -7.828e-09 -1.602e-07 -1.372e-07 1.000e+00
+## parent_0 1.000e+00 -1.151e-01 -2.085e-01 -7.436e-09
+## log_alpha -1.151e-01 1.000e+00 9.741e-01 -1.617e-07
+## log_beta -2.085e-01 9.741e-01 1.000e+00 -1.386e-07
+## sigma -7.436e-09 -1.617e-07 -1.386e-07 1.000e+00
##
## Backtransformed parameters:
## Confidence intervals for internally transformed parameters are asymmetric.
@@ -511,10 +511,10 @@ the data.
summary(m.L2.DFOP, data = FALSE)
-## mkin version used for fitting: 1.2.3
-## R version used for fitting: 4.2.3
-## Date of fit: Thu Apr 20 07:37:16 2023
-## Date of summary: Thu Apr 20 07:37:16 2023
+## mkin version used for fitting: 1.2.4
+## R version used for fitting: 4.3.0
+## Date of fit: Fri May 19 09:20:25 2023
+## Date of summary: Fri May 19 09:20:25 2023
##
## Equations:
## d_parent/dt = - ((k1 * g * exp(-k1 * time) + k2 * (1 - g) * exp(-k2 *
@@ -523,7 +523,7 @@ the data.
##
## Model predictions using solution type analytical
##
-## Fitted using 581 model solutions performed in 0.04 s
+## Fitted using 581 model solutions performed in 0.038 s
##
## Error model: Constant variance
##
@@ -554,18 +554,18 @@ the data.
## Optimised, transformed parameters with symmetric confidence intervals:
## Estimate Std. Error Lower Upper
## parent_0 93.950 9.998e-01 91.5900 96.3100
-## log_k1 3.112 1.842e+03 -4353.0000 4359.0000
+## log_k1 3.113 1.849e+03 -4369.0000 4375.0000
## log_k2 -1.088 6.285e-02 -1.2370 -0.9394
## g_qlogis -0.399 9.946e-02 -0.6342 -0.1638
## sigma 1.414 2.886e-01 0.7314 2.0960
##
## Parameter correlation:
## parent_0 log_k1 log_k2 g_qlogis sigma
-## parent_0 1.000e+00 6.783e-07 -3.390e-10 2.665e-01 -2.967e-10
-## log_k1 6.783e-07 1.000e+00 1.116e-04 -2.196e-04 -1.031e-05
-## log_k2 -3.390e-10 1.116e-04 1.000e+00 -7.903e-01 2.917e-09
-## g_qlogis 2.665e-01 -2.196e-04 -7.903e-01 1.000e+00 -4.408e-09
-## sigma -2.967e-10 -1.031e-05 2.917e-09 -4.408e-09 1.000e+00
+## parent_0 1.000e+00 6.763e-07 -8.944e-10 2.665e-01 -1.083e-09
+## log_k1 6.763e-07 1.000e+00 1.112e-04 -2.187e-04 -1.027e-05
+## log_k2 -8.944e-10 1.112e-04 1.000e+00 -7.903e-01 9.464e-09
+## g_qlogis 2.665e-01 -2.187e-04 -7.903e-01 1.000e+00 -1.532e-08
+## sigma -1.083e-09 -1.027e-05 9.464e-09 -1.532e-08 1.000e+00
##
## Backtransformed parameters:
## Confidence intervals for internally transformed parameters are asymmetric.
@@ -573,7 +573,7 @@ the data.
## for estimators of untransformed parameters.
## Estimate t value Pr(>t) Lower Upper
## parent_0 93.9500 9.397e+01 2.036e-12 91.5900 96.3100
-## k1 22.4800 5.553e-04 4.998e-01 0.0000 Inf
+## k1 22.4900 5.533e-04 4.998e-01 0.0000 Inf
## k2 0.3369 1.591e+01 4.697e-07 0.2904 0.3909
## g 0.4016 1.680e+01 3.238e-07 0.3466 0.4591
## sigma 1.4140 4.899e+00 8.776e-04 0.7314 2.0960
@@ -585,7 +585,7 @@ the data.
##
## Estimated disappearance times:
## DT50 DT90 DT50back DT50_k1 DT50_k2
-## parent 0.5335 5.311 1.599 0.03084 2.058
+## parent 0.5335 5.311 1.599 0.03083 2.058
Here, the DFOP model is clearly the best-fit model for dataset L2
based on the chi^2 error level criterion.
@@ -628,10 +628,10 @@ using square brackets for indexing which will result in the use of the
summary and plot functions working on mkinfit objects.
summary(mm.L3[["DFOP", 1]])
-## mkin version used for fitting: 1.2.3
-## R version used for fitting: 4.2.3
-## Date of fit: Thu Apr 20 07:37:17 2023
-## Date of summary: Thu Apr 20 07:37:17 2023
+## mkin version used for fitting: 1.2.4
+## R version used for fitting: 4.3.0
+## Date of fit: Fri May 19 09:20:26 2023
+## Date of summary: Fri May 19 09:20:26 2023
##
## Equations:
## d_parent/dt = - ((k1 * g * exp(-k1 * time) + k2 * (1 - g) * exp(-k2 *
@@ -640,7 +640,7 @@ summary and plot functions working on mkinfit objects.
##
## Model predictions using solution type analytical
##
-## Fitted using 376 model solutions performed in 0.024 s
+## Fitted using 376 model solutions performed in 0.021 s
##
## Error model: Constant variance
##
@@ -678,11 +678,11 @@ summary and plot functions working on mkinfit objects.
##
## Parameter correlation:
## parent_0 log_k1 log_k2 g_qlogis sigma
-## parent_0 1.000e+00 1.732e-01 2.282e-02 4.009e-01 -9.664e-08
-## log_k1 1.732e-01 1.000e+00 4.945e-01 -5.809e-01 7.147e-07
+## parent_0 1.000e+00 1.732e-01 2.282e-02 4.009e-01 -9.696e-08
+## log_k1 1.732e-01 1.000e+00 4.945e-01 -5.809e-01 7.148e-07
## log_k2 2.282e-02 4.945e-01 1.000e+00 -6.812e-01 1.022e-06
-## g_qlogis 4.009e-01 -5.809e-01 -6.812e-01 1.000e+00 -7.926e-07
-## sigma -9.664e-08 7.147e-07 1.022e-06 -7.926e-07 1.000e+00
+## g_qlogis 4.009e-01 -5.809e-01 -6.812e-01 1.000e+00 -7.930e-07
+## sigma -9.696e-08 7.148e-07 1.022e-06 -7.930e-07 1.000e+00
##
## Backtransformed parameters:
## Confidence intervals for internally transformed parameters are asymmetric.
@@ -755,17 +755,17 @@ passes is slightly lower for the FOMC model. However, the difference
appears negligible.
summary(mm.L4[["SFO", 1]], data = FALSE)
-## mkin version used for fitting: 1.2.3
-## R version used for fitting: 4.2.3
-## Date of fit: Thu Apr 20 07:37:17 2023
-## Date of summary: Thu Apr 20 07:37:17 2023
+## mkin version used for fitting: 1.2.4
+## R version used for fitting: 4.3.0
+## Date of fit: Fri May 19 09:20:26 2023
+## Date of summary: Fri May 19 09:20:26 2023
##
## Equations:
## d_parent/dt = - k_parent * parent
##
## Model predictions using solution type analytical
##
-## Fitted using 142 model solutions performed in 0.009 s
+## Fitted using 142 model solutions performed in 0.008 s
##
## Error model: Constant variance
##
@@ -797,9 +797,9 @@ appears negligible.
##
## Parameter correlation:
## parent_0 log_k_parent sigma
-## parent_0 1.000e+00 5.938e-01 3.387e-07
-## log_k_parent 5.938e-01 1.000e+00 5.830e-07
-## sigma 3.387e-07 5.830e-07 1.000e+00
+## parent_0 1.000e+00 5.938e-01 3.430e-07
+## log_k_parent 5.938e-01 1.000e+00 5.885e-07
+## sigma 3.430e-07 5.885e-07 1.000e+00
##
## Backtransformed parameters:
## Confidence intervals for internally transformed parameters are asymmetric.
@@ -820,17 +820,17 @@ appears negligible.
## parent 106 352
summary(mm.L4[["FOMC", 1]], data = FALSE)
-## mkin version used for fitting: 1.2.3
-## R version used for fitting: 4.2.3
-## Date of fit: Thu Apr 20 07:37:17 2023
-## Date of summary: Thu Apr 20 07:37:17 2023
+## mkin version used for fitting: 1.2.4
+## R version used for fitting: 4.3.0
+## Date of fit: Fri May 19 09:20:26 2023
+## Date of summary: Fri May 19 09:20:26 2023
##
## Equations:
## d_parent/dt = - (alpha/beta) * 1/((time/beta) + 1) * parent
##
## Model predictions using solution type analytical
##
-## Fitted using 224 model solutions performed in 0.014 s
+## Fitted using 224 model solutions performed in 0.012 s
##
## Error model: Constant variance
##
@@ -865,10 +865,10 @@ appears negligible.
##
## Parameter correlation:
## parent_0 log_alpha log_beta sigma
-## parent_0 1.000e+00 -4.696e-01 -5.543e-01 -2.468e-07
-## log_alpha -4.696e-01 1.000e+00 9.889e-01 2.478e-08
-## log_beta -5.543e-01 9.889e-01 1.000e+00 5.211e-08
-## sigma -2.468e-07 2.478e-08 5.211e-08 1.000e+00
+## parent_0 1.000e+00 -4.696e-01 -5.543e-01 -2.447e-07
+## log_alpha -4.696e-01 1.000e+00 9.889e-01 2.198e-08
+## log_beta -5.543e-01 9.889e-01 1.000e+00 4.923e-08
+## sigma -2.447e-07 2.198e-08 4.923e-08 1.000e+00
##
## Backtransformed parameters:
## Confidence intervals for internally transformed parameters are asymmetric.
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