| BetaDanish-package | R Documentation |
Implements the four-parameter Beta-Danish distribution and its three-parameter submodel for survival and reliability analysis, based on Ahmad and Danish (2025) \Sexpr[results=rd]{tools:::Rd_expr_doi("10.2478/jamsi-2025-0010")}. Provides functions for density, distribution, quantile, hazard, and random generation. Includes maximum likelihood estimation for complete and right-censored data, goodness-of-fit assessment, comparison with standard lifetime distributions, and publication-quality visualizations. Advanced modules support Accelerated Failure Time (AFT) regression, mixture and promotion-time cure models, and competing risks analysis.
The 'BetaDanish' package provides a comprehensive suite of tools for survival and reliability analysis using the Beta-Danish distribution. It includes core mathematical functions (density, distribution, quantile, random generation, and hazard), robust Maximum Likelihood Estimation (MLE) for both complete and right-censored data, and advanced modeling capabilities including Accelerated Failure Time (AFT) regression, cure-rate models, and competing risks analysis.
Maintainer: Bilal Ahmad bilalahmad.imcbh9@gmail.com
Authors:
Bilal Ahmad bilalahmad.imcbh9@gmail.com
Muhammad Yameen Danish yameen.danish@aiou.edu.pk
Ahmad, B. (2026). Modeling Diverse Survival Patterns: The Development and Characterization of a New Four-Parameter Lifetime Distribution (Ph.D. Thesis). Allama Iqbal Open University, Islamabad.
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