Changelog
Source:NEWS.md
rumenGP 0.1.0
Initial release
rumenGP provides tools for importing, processing, visualizing, fitting, comparing, and interpreting in vitro rumen gas production data.
Data Import and Processing
- Added support for importing ANKOM RF data.
- Added metadata import and validation workflows.
- Added timestamp parsing utilities.
- Added pressure-to-volume conversion using the ideal gas law.
- Added standardized
rumen_gpobjects. - Added quality-control and data-validation functions.
- Added tools for excluding problematic bottles while preserving exclusion records.
Kinetic Models
Implemented the following gas production models:
- Brody
- Dual Logistic
- EXP0
- EXPL
- Gompertz
- Groot
- LE0
- LEL
- Logistic
- Mitscherlich
- Michaelis-Menten
- Orskov and McDonald
Custom Models
- Added
fit_custom()for user-defined nonlinear models. - Supports custom formulas.
- Supports custom starting values.
- Supports parameter bounds.
- Integrates with plotting and model-comparison tools.
Model Comparison
- Added model performance comparison tools.
- Added model ranking functions.
- Added treatment-level model comparison.
- Added treatment-level model ranking.
- Added best-model selection by treatment.
- Added model win frequency summaries.
Visualization
- Added raw gas production plots.
- Added fitted curve visualization.
- Added treatment mean visualizations.
- Added residual diagnostics.
- Added model comparison visualizations.
- Added model ranking visualizations.
- Added dual-pool decomposition plots.
Documentation
Added extensive function documentation.
Added parameter interpretation guidance.
Added executable examples throughout the package.
-
Added five package vignettes:
- Getting Started
- Importing Data
- Custom Models
- Model Equations
- Interpreting Models