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Estimates the parameters of models with a single change-point in the hazard rate for time-to-event data. Supported models include the exponential (Gijbels & Gürler (2003) <doi:10.1023/B:LIDA.0000012424.71723.9d>, Matthews & Farewell (1982) <doi:10.2307/2530460>), Exponential-Lindley (Joshi & Rattihalli (2020) <doi:10.1007/978-981-15-5414-8_29>), Lindley (Joshi, Jose, & Bhati (2016) <doi:10.1080/03610918.2015.1096381>), log-logistic (Nadar, Upadhyay, & Joshi (2025) <doi:10.3390/math13091457>), and Weibull (Williams & Kim (2013) <doi:10.1080/03610926.2011.600505>) hazard change-point models. Provides functions for generating random variates and evaluating the probability density function (PDF) and the cumulative distribution function (CDF) of the fitted change-point models. Includes Kaplan-Meier and Nelson-Aalen diagnostic plots, together with goodness-of-fit measures such as the Akaike Information Criterion (AIC), the Bayesian Information Criterion (BIC), distance metrics such as the L1-norm and L2-norm, and the Kolmogorov-Smirnov (K-S) statistic for model evaluation.
| Version: | 0.1.0 |
| Depends: | R (≥ 4.1.0) |
| Imports: | lamW, survival, EnvStats |
| Suggests: | spelling |
| Published: | 2026-09-27 |
| DOI: | 10.32614/CRAN.package.CPHazard |
| Author: | Vasudha Upadhyay [aut, cre], Dr. Savitri Joshi [aut, cph], Keerthan Aithal [aut] |
| Maintainer: | Vasudha Upadhyay <vasudhyay at gmail.com> |
| License: | MIT + file LICENSE |
| NeedsCompilation: | no |
| Language: | en-US |
| Materials: | NEWS |
| CRAN checks: | CPHazard results |
| Reference manual: | CPHazard.html , CPHazard.pdf |
| Package source: | CPHazard_0.1.0.tar.gz |
| Windows binaries: | r-devel: CPHazard_0.1.0.zip, r-release: CPHazard_0.1.0.zip, r-oldrel: CPHazard_0.1.0.zip |
| macOS binaries: | r-release (arm64): CPHazard_0.1.0.tgz, r-oldrel (arm64): CPHazard_0.1.0.tgz, r-release (x86_64): CPHazard_0.1.0.tgz, r-oldrel (x86_64): CPHazard_0.1.0.tgz |
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These binaries (installable software) and packages are in development.
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