Zero-Inflated Discrete Weibull Models R package ZIDW version 0.1.0 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>. Software Depends: R (>= 4.1.0) Imports: DWreg, actuar, maxLik, COUNT, gtools, matrixcalc, DiscreteWeibull, dplyr, ggplot2, purrr, tibble Derek S. Young <derek.young@uky.edu> Comprehensive R Archive Network (CRAN) Peng Yeh [aut], Derek S. Young [aut, cre] (ORCID: <https://orcid.org/0000-0002-3048-3803>) GPL (>= 2) 2025-09-30 application/tgz https://CRAN.R-project.org/package=ZIDW doi:10.32614/CRAN.package.ZIDW