```r
summary(mm.L3[["DFOP", 1]])
```

```
## mkin version:    0.9.44.9000 
## R version:       3.3.1 
## Date of fit:     Wed Oct 26 23:18:15 2016 
## Date of summary: Wed Oct 26 23:18:15 2016 
## 
## Equations:
## d_parent = - ((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 137 model solutions performed in 0.323 s
## 
## Weighting: none
## 
## Starting values for parameters to be optimised:
##          value   type
## parent_0 97.80  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 97.800000  -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  97.7500    1.43800 93.7500 101.70000
## log_k1    -0.6612    0.13340 -1.0310  -0.29100
## log_k2    -4.2860    0.05902 -4.4500  -4.12200
## g_ilr     -0.1229    0.05121 -0.2651   0.01925
## 
## Parameter correlation:
##          parent_0  log_k1   log_k2   g_ilr
## parent_0  1.00000  0.1640  0.01315  0.4253
## log_k1    0.16400  1.0000  0.46478 -0.5526
## log_k2    0.01315  0.4648  1.00000 -0.6631
## g_ilr     0.42526 -0.5526 -0.66310  1.0000
## 
## Residual standard error: 1.439 on 4 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 97.75000  67.970 1.404e-07 93.75000 101.70000
## k1        0.51620   7.499 8.460e-04  0.35650   0.74750
## k2        0.01376  16.940 3.557e-05  0.01168   0.01621
## g         0.45660  25.410 7.121e-06  0.40730   0.50680
## 
## Chi2 error levels in percent:
##          err.min n.optim df
## All data   2.225       4  4
## parent     2.225       4  4
## 
## Estimated disappearance times:
##         DT50 DT90 DT50_k1 DT50_k2
## parent 7.464  123   1.343   50.37
## 
## Data:
##  time variable observed predicted residual
##     0   parent     97.8     97.75  0.05396
##     3   parent     60.0     60.45 -0.44933
##     7   parent     51.0     49.44  1.56338
##    14   parent     43.0     43.84 -0.83632
##    30   parent     35.0     35.15 -0.14707
##    60   parent     22.0     23.26 -1.25919
##    91   parent     15.0     15.18 -0.18181
##   120   parent     12.0     10.19  1.81395
```

```r
plot(mm.L3[["DFOP", 1]], show_errmin = TRUE)
```

<img src="FOCUS_L_files/figure-html/unnamed-chunk-13-1.png" width="672" />