NEWS
ReliaGrowR 0.8
New Features
- New
gof() function for computing numerical goodness-of-fit statistics
(Cramér-von Mises and Kolmogorov-Smirnov) for fitted RGA models.
- New
predict_duane() function for making predictions from Duane models,
with confidence bounds and print/plot S3 methods.
- New MCP server integration via
rga_mcp_server(), exposing ReliaGrowR
functions as Model Context Protocol tools for AI assistants such as Claude.
Minor improvements and bug fixes
- New vignette on Reliability Demonstration Test Planning.
- New vignette on MCP server usage.
- Updated and expanded test suite for Duane, GOF, and MCP functions.
- Other minor improvements and bug fixes.
ReliaGrowR 0.6 (2026-04-16)
New Features
- New
nhpp() function for fitting parametric Non-Homogeneous Poisson Process (NHPP) models (Power Law and Log-Linear) to recurrent event data from repairable systems, including piecewise/segmented support with automatic change point detection.
- New
mcf() function for non-parametric Mean Cumulative Function estimation using the Nelson-Aalen estimator.
- New
exposure() function for computing system exposure (total operating time at risk) across repairable systems.
- New
overlay_rga() and overlay_nhpp() functions for overlaying multiple model fits on a single plot.
- New hex sticker logo for the package.
Minor improvements and bug fixes
- Updated and expanded test suite for NHPP, MCF, and exposure models.
- New vignette on Repairable Systems Analysis (RSA).
- Updated README with new features and logo.
- Other minor improvements and bug fixes.
ReliaGrowR 0.4.0
New Features
- New
sim_failures() function for simulating failures with optional simulation window parameter.
- MLE fit method for
rga() function for maximum likelihood estimation.
- Enhanced
predict_rga() function for making predictions from RGA models.
- Added confidence intervals for Duane model.
- Enhanced
rdt() function with f parameter for failure-allowed reliability demonstration test plans.
Minor improvements and bug fixes
- Fixed legend in rga_predict plot.
- Added WeibullR to package suggests.
- New comprehensive RGF (Reliability Growth Function) vignette with detailed documentation.
- Updated and improved test suite throughout.
- Enhanced package documentation and examples.
- Updated citation information.
- Code styling improvements.
- Other minor improvements and bug fixes.
ReliaGrowR 0.3 (2025-11-07)
Minor improvements and bug Fixes
- More plotting options for RGA and Duane models.
- More printing options for RGA and Duane models.
- New vignette on reliability data management.
- More documentation and examples.
- Other minor improvements and bug fixes.
ReliaGrowR 0.2 (2025-09-21)
Breaking Changes
duane_plot function has been renamed to duane function with a separate S3 method for plotting.plot_rga function has been replaced with a separate S3 method for plotting RGA objects.
New Features
- New goodness of fit plotting functions for RGA models called
ppplot.rga and qqplot.rga.
for P-P plots and Q-Q plots respectively.
- New
rdt function for generating reliability demonstration test plans.
Minor improvements and bug fixes
- More plotting options for RGA and Duane models.
- More documentation and examples.
- Other minor improvements and bug fixes.
ReliaGrowR 0.1.5 (2025-07-13)
Minor Updates and Bug Fixes
- Minor improvements, documentation updates, and bug fixes.
ReliaGrowR 0.1.4 (2025-05-16)
New features
- New custom print methods for RGA and Duane models.
- More plot options for RGA and Duane models.
Minor Updates and Bug Fixes
- Other minor improvements, documentation updates, and bug fixes.
ReliaGrowR 0.1.3 (2024-11-16)
Minor Updates and Bug Fixes
- Model results now include more details for model parameters including standard error, confidence bounds, etc.
- Other minor improvements.
ReliaGrowR 0.1.2
Minor Updates and Bug Fixes
- Duane model not includes optional plot argument.
- Other minor improvements.
ReliaGrowR 0.1.1 (2024-11-01)
Minor Updates and Bug Fixes
- RGA and Duane model results now include goodness of fit metrics (AIC and BIC).
- Duane model results now include fitted values.
- Other minor improvements
ReliaGrowR 0.1.0 (2024-09-19)