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. 2016 Dec 12;6:38721. doi: 10.1038/srep38721

Table 3. Results of fitting growth models for P. aeruginosa in fresh pork stored at 20 °C.

Method Sensor Simulation equation λ (h) μmax(h−1) Training Testing r
Rc2 RMSEC SSE Rp2 RMSEP SSE
Gompertz S9 f(x) = 0.9195 + 4.522*exp(−exp(0.2208/4.522*(13.34-x) + 1)) 13.34 0.08124 0.9560 0.3485 15.79 0.9428 0.3824 6.580 0.9869
S5 f(x) = −1.021 + 0.8115*exp(−exp(0.03248/0.8115*(1.662-x) + 1)) 1.662 0.01185 0.9297 0.06960 0.6297 0.8926 0.08366 0.3150 0.9952
S8 f(x) = 1.258 + 1.142*exp(−exp(0.2264/1.142*(33.8-x) + 1)) 33.8 0.08330 0.8533 0.2234 6.489 0.8652 0.2056 1.902 0.9363
S4 f(x) = 0.982 + 2.285*exp(−exp(0.461/2.285*(12.12-x) + 1)) 12.12 0.1696 0.8253 0.4219 23.14 0.8267 0.4099 7.562 0.9050
PC 1 f(x) = −4.533 + 7.95*exp(−exp(0.3837/7.95*(8.262-x) + 1)) 8.262 0.1412 0.9302 0.7606 75.20 0.9141 0.8216 30.38 0.9960
lg(CFU/g) f(x) = 2.83 + 7.652*exp(−exp(0.4287/7.652*(6.851-x) + 1)) 6.851 0.1577 0.9988 0.1243 0.0772
Logistic S9 f(x) = 0.5794 + 4.7/(1 + exp(0.06784*(38.81-x))) 38.81 0.06784 0.9550 0.3525 16.16 0.9434 0.3800 6.497 0.9869
S5 f(x) = −1.084 + 0.839/(1 + exp(0.05719*(32.5-x))) 32.5 0.05719 0.9338 0.06832 0.6067 0.8933 0.0834 0.3133 0.9948
S8 f(x) = 1.235 + 1.173/(1 + exp(0.2203*(41.44-x))) 41.44 0.2203 0.8585 0.2194 6.259 0.8674 0.2040 1.872 0.9524
S4 f(x) = 1.006 + 2.236/(1 + exp(0.4148*(20.09-x))) 20.09 0.4148 0.8220 0.4259 23.58 0.8177 0.4205 7.956 0.8819
PC 1 f(x) = −4.993 + 8.119/(1 + exp(0.07042*(34.88-x))) 34.88 0.07042 0.9333 0.7436 71.88 0.9170 0.8077 29.36 0.9950
lg(CFU/g) f(x) = 2.019 + 8.319/(1 + exp(0.07287*(28.68-x))) 28.68 0.07287 0.9996 0.07001 0.02451