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CRAN: Package gpcihybridII

gpcihybridII: Generalized Process Capability Indices under Hybrid Type-II Censoring

A comprehensive, generalized framework for computing, estimating, and validating Generalized Process Capability Indices (GPCIs) under Hybrid Type-II censored lifetime data. Supports user-supplied probability density or mass functions (PDF/PMF), cumulative distribution functions (CDF), survival functions (SF), and quantile functions. Parameter estimation under Hybrid Type-II censoring is performed via Maximum Likelihood Estimation using the 'MleCensoR' package (Childs et al., 2003 <doi:10.1007/BF02517803>; Balakrishnan & Kundu, 2013 <doi:10.1002/nav.21545>). Computes classical and non-normal capability indices, including Cpy (Maiti et al., 2010 <doi:10.1080/16843703.2010.11673233>), Spmk (Dey & Saha, 2019 <doi:10.1007/s41872-019-00081-4>), CpTk (Saha et al., 2019), Cpc (Saha et al., 2022 <doi:10.1080/02664763.2021.1971632>), CNpmc (Alotaibi et al., 2022 <doi:10.1155/2022/3135264>), CNpmkc (Saha et al., 2024 <doi:10.1142/S021853932450013X>), CNpk (Saha et al., 2018 <doi:10.1080/21681015.2018.1437793>), and Vannman's Cp(u,v) family. Evaluates parametric and non-parametric bootstrap confidence intervals at 90 percent, 95 percent, and 99 percent levels of significance using percentile, normal, basic, BCa, BCp, and studentized bootstrap methods. Computes standard errors, mean squared errors, and coverage probabilities for both distribution parameters and capability indices. Integrates goodness-of-fit testing for Hybrid Type-II censored data via the 'gofPHCS' package.

Version: 0.1.0
Depends: R (≥ 4.0.0)
Imports: stats, numDeriv, MleCensoR, gofPHCS
Suggests: testthat (≥ 3.0.0), knitr, rmarkdown
Published: 2026-08-21
DOI: 10.32614/CRAN.package.gpcihybridII (may not be active yet)
Author: Shikhar Tyagi ORCID iD [aut, cre], Sumit Kumar [aut], Arvind Pandey [aut], Bhupendra Singh [aut], Vrijesh Tripathi [aut]
Maintainer: Shikhar Tyagi <shikhar1093tyagi at gmail.com>
License: MIT + file LICENSE
NeedsCompilation: no
CRAN checks: gpcihybridII results

Documentation:

Reference manual: gpcihybridII.html , gpcihybridII.pdf
Vignettes: Generalized Process Capability Indices under Hybrid Type-II Censoring (source, R code)

Downloads:

Package source: gpcihybridII_0.1.0.tar.gz
Windows binaries: r-devel: not available, r-release: not available, r-oldrel: gpcihybridII_0.1.0.zip
macOS binaries: r-release (arm64): gpcihybridII_0.1.0.tgz, r-oldrel (arm64): gpcihybridII_0.1.0.tgz, r-release (x86_64): gpcihybridII_0.1.0.tgz, r-oldrel (x86_64): gpcihybridII_0.1.0.tgz

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