Table 1 Results of fitting growth models for P. aeruginosa on the agar plate.

From: Predicting the growth situation of Pseudomonas aeruginosa on agar plates and meat stuffs using gas sensors

Method

Sensor

Simulation equation

λ (h)

μmax(h−1)

Training

Testing

r

Rc2

RMSEC

SSE

Rp2

RMSEP

SSE

Gompertz

S8

f(x) = 1.55 + 1.087*exp

14.5

0.0826

0.8963

0.165

1.497

0.9474

0.1192

0.426

0.9377

(−exp(0.2246/1.087*(14.5-x) + 1))

S10

f(x) = 1.191 + 0.5178*exp

8.7

0.0472

0.9251

0.06067

0.2024

0.9499

0.0505

0.0764

0.9759

(−exp(0.1283/0.5178*(8.79-x) + 1))

lg(CFU/g)

f(x) = 3.207 + 4.671*exp

0.4527

0.9999

0.02808

0.7*10−4

(−exp(0.4527/4.671*(−0.6121-x) + 1))

Logistic

S8

f(x) = 1.554 + 1.058/

23.48

1.058

0.8937

0.1671

1.535

0.9454

0.1215

0.4425

0.9346

(1 + exp(1.694*(23.48-x)))

S10

f(x) = 1.186 + 0.5225/

14.75

0.5225

0.9249

0.06073

0.2028

0.9908

0.0499

0.0747

0.9754

(1 + exp(0.305*(14.75-x)))

lg(CFU/g)

f(x) = 2.13 + 5.718/

9.955

5.718

0.9999

0.04079

1.664*10−3

(1 + exp(0.1096*(9.955-x)))