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Bootstrapping many curves using rTPC2 months ago
A brief example of how many curves can be bootstrapped when fitting models to TPCs using rTPC, nls.multstart, car and the tidyverse. | Things to consider | The problem | The solution | Further reading
Bootstrapping using rTPC2 months ago
A brief example of how bootstrapping can help visualise and estimate model uncertainty when fitting models to TPCs using rTPC, nls.multstart, car and the tidyverse. | Things to consider | Case resampling: Resampling the original data with replacement | Residual resampling | Calculating confidence intervals of estimated and calculated parameters | Further reading
Bootstrapping with weights using rTPC2 months ago
A brief example of how bootstrapping can be implemented alongside model weighting to account for model uncertainty alongside measurement uncertainty. | Things to consider | Method 1: Case resampling weighted non-linear regression. | Method 2: Residual resampling weighted non-linear regression. | Calculating confidence intervals of estimated and calculated parameters | Further reading
Adding Models to rTPC2 months ago
First steps | Forking the repository | Setting up your workspace and R installation | Adding a model | Model equation | Implementation | Model function - eubank_1973() | Starting values - eubank_1973.starting_vals() | Limits - eubank_1973.lower_lims() & eubank_1973.upper_lims() | Documentation | Updating the model database | Testing model implementation | Individual model test | Getting results values | Testing | Documenting your model | Commiting your changes back upstream | Done! | Auxiliary model function dispatch
Parallelising rTPC2 months ago
A brief example of how to parallelise fitting many models to many TPCs using rTPC, nls.multstart the tidyverse, and mirai. | Things to consider | quickfit_tpc_multi() without parallelisation | quickfit_tpc_multi() with parallelisation | Custom rTPC parallelisation
Fitting many curves using rTPC3 months ago
A brief example of how to fit many models to multiple TPCs using rTPC, nls.multstart and the tidyverse. | Things to consider
Fitting many models with rTPC3 months ago
A brief example of how multiple models can be fitted to a single TPC using rTPC, nls.multstart, and the tidyverse. | Things to consider | Troubleshooting curve fits
Introduction to rTPC3 months ago
An introduction to rTPC and how it can be used to fit thermal performance curves using nls.multstart.
Model selection and model averaging with rTPC3 months ago
A brief example using model selection or model averaging when fitting multiple models to a single TPC using rTPC, nls.multstart, and the tidyverse. | Things to consider | Model selection | Model averaging | Further reading
Model weighting with rTPC2 years ago
A brief example of how model weighting can be used to help account for measurement uncertainty when fitting models to TPCs using rTPC, nls.multstart, and the tidyverse. | Things to consider | Using model weights