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ZIDW: Zero-Inflated Discrete Weibull Models

Parameter estimation for zero-inflated discrete Weibull (ZIDW) regression models, the univariate setting, distribution functions, functions to generate randomized quantile residuals a pseudo R2, and plotting of rootograms. For more details, see Kalktawi (2017) <https://bura.brunel.ac.uk/handle/2438/14476>, Taconeli and Rodrigues de Lara (2022) <doi:10.1080/00949655.2021.2005597>, and Yeh and Young (2025) <doi:10.1080/03610918.2025.2464076>.

Version: 0.1.0
Depends: R (≥ 4.1.0)
Imports: DWreg, actuar, maxLik, COUNT, gtools, matrixcalc, DiscreteWeibull, dplyr, ggplot2, purrr, tibble
Published: 2025-09-30
DOI: 10.32614/CRAN.package.ZIDW
Author: Peng Yeh [aut], Derek S. Young ORCID iD [aut, cre]
Maintainer: Derek S. Young <derek.young at uky.edu>
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
URL: https://github.com/dsy109/ZIDW
NeedsCompilation: no
Citation: ZIDW citation info
Materials: NEWS
CRAN checks: ZIDW results

Documentation:

Reference manual: ZIDW.html , ZIDW.pdf

Downloads:

Package source: ZIDW_0.1.0.tar.gz
Windows binaries: r-devel: ZIDW_0.1.0.zip, r-release: ZIDW_0.1.0.zip, r-oldrel: ZIDW_0.1.0.zip
macOS binaries: r-release (arm64): ZIDW_0.1.0.tgz, r-oldrel (arm64): not available, r-release (x86_64): ZIDW_0.1.0.tgz, r-oldrel (x86_64): ZIDW_0.1.0.tgz

Linking:

Please use the canonical form https://CRAN.R-project.org/package=ZIDW to link to this page.

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.