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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_gp objects.
• 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

Website

• Added a pkgdown website.
• Added searchable reference documentation.
• Added rendered examples and figures.
• Added article and vignette integration.

Quality Assurance

• Achieved clean R CMD check:

  • 0 errors
  • 0 warnings
  • 0 notes

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.