Baranyi

Test estimations with grofit package

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

Estimation is performed on log scale (base e)
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Title	Estimated parameter	Description	Bottom range for estimation	Top range for estimation
h0	5.0	dimensionless parameter quantifying the initial physiological state of the population. From that, the lag time lambda can be calculated as h0/mu.
m	7.43252045654132	curvature parameter to characterize the transition from the exponential phase
μ max.	0.24577469695063	maximum specific growth rate
v	0.00742340561917	curvature parameter to characterize the transition to the exponential phase
y0	-4.0767692994683	initial population density
ymax	-1.09614101246599	asymptotic for the population density
Optimal Cost	0.12028922387384	fitting cost (not used in the solver and estimator)	(n/a)	(n/a)

RMSEclick here for more information Root Mean Square Error (RMSE): For more information: link to Wikipedia article	R²click here for more information For more information: link to Wikipedia article	Biasclick here for more information Bias Factor (B_f): 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 article )	Accuracyclick here for more information Accuracry Factor (A_f): 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 article
0.00171	0.99954	1.00009	1.00009