Sums of squares:
      SFO      IORE      DFOP 
174.39718  21.91831  16.57180 

Critical sum of squares for checking the SFO model:
[1] 26.93798

Parameters:
$SFO
         Estimate   Pr(>t)  Lower  Upper
parent_0   51.243 2.12e-10 45.724 56.762
k_parent    0.253 2.95e-06  0.193  0.332
sigma       3.529 1.28e-04  2.061  4.997

$IORE
               Estimate   Pr(>t)    Lower    Upper
parent_0       51.71053 2.60e-14 4.97e+01 53.68122
k__iore_parent  0.00135 5.21e-02 3.88e-04  0.00469
N_parent        2.66147 3.67e-08 2.23e+00  3.08855
sigma           1.25124 1.76e-04 7.24e-01  1.77811

$DFOP
         Estimate   Pr(>t)    Lower   Upper
parent_0  51.7055 8.99e-14 49.96593 53.4450
k1         0.4157 5.65e-07  0.34129  0.5063
k2         0.0127 7.78e-04  0.00768  0.0211
g          0.8338 1.09e-11  0.78030  0.8763
sigma      1.0880 2.50e-04  0.62286  1.5531


DTx values:
     DT50 DT90 DT50_rep
SFO  2.74  9.1     2.74
IORE 1.37 28.5     8.57
DFOP 2.17 39.9    54.40

Representative half-life:
[1] 8.57