Baranyi

D39 vs ccpA model's description for D39 growth on Glucose measurement:

(not defined)

Description

Baranyi J. and Roberts T.A. (1994). A dynamic approach to predicting bacterial growth in food. Int. J. Food Microbiol. 23, 277-294.

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Estimation is performed on log scale (base e)
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Listing 7 parameters

TitleEstimated parameterDescriptionBottom range for estimationTop range for estimation
h05.0dimensionless parameter quantifying the initial physiological state of the population. From that, the lag time lambda can be calculated as h0/mu.
m0.95480417736442curvature parameter to characterize the transition from the exponential phase
μ max.1.75808963164491maximum specific growth rate
v1.82432667865294curvature parameter to characterize the transition to the exponential phase
y0-2.9142264560114initial population density
ymax0.36841702551277asymptotic for the population density
Optimal Cost0.0077250118094fitting cost (not used in the solver and estimator)(n/a)(n/a)
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RMSEclick here for more information

Root Mean Square Error (RMSE):

Rmse

For more information: link to Wikipedia articleTrans
R2click here for more information R_square

For more information: link to Wikipedia articleTrans
Biasclick here for more information

Bias Factor (Bf):

Bias

For more information check Ross, T. Indices for performance evaluation of predictive models in food microbiology. Journal of Applied Bacteriology 81, 501–508 (1996).

(link to journal articleTrans )
Accuracyclick here for more information

Accuracry Factor (Af):

Accuracy

For more information check Ross, T. Indices for performance evaluation of predictive models in food microbiology. Journal of Applied Bacteriology 81, 501–508 (1996).

link to journal articleTrans
0.0301 0.9978 1.00343 0.99659

Baranyi's Curve