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Serial dilution method7 months ago
The serial-fold dilution method | Principles | Implementation of the serial dilution method | Getting the time-to-detection | Estimating the growth rate from the time-to-detection | Estimating both the growth rate and lag phase duration from the time-to-detection
FSK2R: an interface between FSK-ML and R9 months ago
The FSK2R package | The FSK-ML (Food Safety Markup Language) standard | Importing an FSK file | Creating an FSK model based on an existing R file | Running and editting simulations in the FSK file | Setters and getters | Visualizing and editting the metadata of an FSK2R object | Exporting the FSK file
bioinactivation: Software for modelling microbial inactivation1 years ago
Introduction | Example data sets included in the package | The example data set of an isothermal experiment | The example data set of a dynamic experiment | The example data set of an isothermal study of Bacillus laterosporus | The example data set of a non-isothermal study of laterosporus | Inactivation models implemented | Bigelow model for isothermal data | Bigelow model for nonisothermal data | Weibullian models | Weibull-Peleg model for isothermal inactivation | Weibull-Peleg model for non-isothermal inactivation | Weibull-Mafart model for isothermal inactivation | Weibull-Mafart model for nonisothermal inactivation | Geeraerd model | Arrhenius inactivation model | Prediction of microbial inactivation | Fitting of isothermal data | Fitting of dynamic experiments using non-linear regression | Fitting of dynamic experiments using Markov Chain Monte Carlo methods | References
Baranyi model with coupled secondary models1 years ago
Theoretical background | The fit_coupled_growth() function | Two-steps fitting of the Baranyi-Ratkowsky model | One-step fitting of the Baranyi-Ratkowsky model | References
Modelling approach2 years ago
Population growth in predictive microbiology | Primary growth models included in biogrowth | Modified Gompertz model under static conditions | Logistic growth model | Richards growth model | Baranyi model under dynamic conditions | Baranyi model under static conditions | Relationship between Q0 and the lag phase duration | Baranyi model under static conditions without stationary phase | Baranyi model under static conditions without lag phase | Trilinear model under static conditions | Bilinear model with lag phase | Bilinear model with stationary phase | Loglinear model | Gathering primary models metadata directly from biogrowth | Secondary growth models included in biogrowth | Gamma factors by Zwietering | Cardinal Parameter Model (CPM) | (Adapted) Full Ratkowsky model | Secondary model by Aryani | Secondary model for water activity by Rosso | Secondary model for inhibitory compounds | Gathering meta data about secondary models directly from biogrowth | Summary of the model parameters | Numerical methods | References
Custom distributions for uncertainty propagation2 years ago
Including uncertainty in growth predictions in biogrowth2 years ago
Growth predictions with uncertainty using predict_growth_uncertainty() | Accounting for the uncertainty of a fitted model using predictMCMC() | Accounting for uncertainty when calculating the time to reach a population size
Comparing growth models4 years ago
Models fitted under constant environmental conditions | Models fitted under dynamic environmental conditions | Growth models fitted to multiple experiments (global fit) | Fitting of secondary models
Fitting growth models in biogrowth4 years ago
Fitting growth models with fit_growth() | Fitting primary growth models | Fitting both primary and secondar models from a single experiment under dynamic environnental conditions | Fitting both primary and secondary models from several experiments (global fitting) | Fitting secondary growth models with fit_secondary_growth()
Growth predictions in biogrowth4 years ago
The function predict_growth() | Growth predictions under constant environmental conditions | Basic growth predictions | Alternative definitions of model parameters | Definition of different logarithmic bases | Growth predictions under dynamic environmental conditions
Advanced plotting options in biogrowth4 years ago
Combining plots into subplots | Saving and reshaping plots | Full manual control
About the units of the growth rate (mu)4 years ago
Growth rate under constant environmental conditions | Mathematical justification | Implementation in biogrowth | Unit interpration for model fitting | Dynamic environmental conditions | A note when comparing predictions based on primary models against models with secondary models
Deprecated and superseded functions4 years ago
Deterministic modelling | Growth prediction under static conditions | Growth prediction under dynamic conditions | Time to reach a given population size | Fitting of primary models | One-step fitting under dynamic conditions | Global fitting of various (dynamic) experiments | One-step fitting using MCMC algorithms | Global fitting using MCMC algorithms | Stochastic prediction based on an MCMC fit
Description of datasets4 years ago
Modelling constant environmental conditions using secondary models4 years ago