Package: ZIDW 0.1.0

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>.

Authors:Peng Yeh [aut], Derek S. Young [aut, cre]

ZIDW_0.1.0.tar.gz
ZIDW_0.1.0.zip(r-4.7)ZIDW_0.1.0.zip(r-4.6)ZIDW_0.1.0.zip(r-4.5)
ZIDW_0.1.0.tgz(r-4.6-any)ZIDW_0.1.0.tgz(r-4.5-any)
ZIDW_0.1.0.tar.gz(r-4.7-any)ZIDW_0.1.0.tar.gz(r-4.6-any)
ZIDW_0.1.0.tgz(r-4.6-emscripten)
manual.pdf |manual.html✨
card.svg |card.png
ZIDW/json (API)
NEWS

# Install 'ZIDW' in R:

install.packages('ZIDW', repos = c('https://dsy109.r-universe.dev', 'https://cloud.r-project.org'))

Bug tracker:https://github.com/dsy109/zidw/issues

Datasets:

covid - COVID-19 cases at the 2020 Summer Olympics and 2020 Summer Paralympics

On CRAN:

3.18 score 1 scripts 165 downloads 29 exports 55 dependencies

Last updated from:72e5a01616. Checks:9 OK. Indexed: yes.

Target	Result	Time
linux-devel-x86_64	OK	169
source / vignettes	OK	197
linux-release-x86_64	OK	155
macos-release-arm64	OK	122
macos-oldrel-arm64	OK	104
windows-devel	OK	116
windows-release	OK	118
windows-oldrel	OK	142
wasm-release	OK	103

Exports:AIC.zidw BIC.zidw bootstrap_lrt coef.zidw ddw2 dhdw dw.parest2 dzidw dztdw logLik.zidw pdw2 phdw predict.zidw print.summary.zidw print.zidw pzidw pztdw qhdw qzidw qztdw rhdw rootogram_zidw rqres_zidw_reg rzidw rztdw summary.zidw zidw_r_squared zidw_reg zidw_uni

Dependencies:actuar cli codetools COUNT cpp11 digest DiscreteWeibull dplyr DWreg Ecdat expint farver future future.apply generics ggplot2 globals glue gtable gtools isoband labeling lattice lifecycle listenv magrittr MASS Matrix matrixcalc maxLik miscTools msme numDeriv parallelly pillar pkgconfig purrr R6 RColorBrewer Rcpp RcppArmadillo rlang Rsolnp S7 sandwich scales survival tibble tidyselect truncnorm utf8 vctrs viridisLite withr zoo

Citation

Development and contributors

Readme and manuals

Help Manual

Help page	Topics
Zero-Inflated Discrete Weibull Models	ZIDW-package ZIDW
AIC and BIC for ZIDW Model Fits	AIC.zidw BIC.zidw
Bootstrap Likelihood Ratio Test for Zero-Inflation	bootstrap_lrt
Print Coefficients from a ZIDW Model Fit	coef.zidw
COVID-19 cases at the 2020 Summer Olympics and 2020 Summer Paralympics	covid
Hurdle Discrete Weibull Distribution	dhdw hdw phdw qhdw rhdw
Extract Log-Likelihood for ZIDW Model Fits	logLik.zidw
Prediction for ZIDW Model Fits	predict.zidw
Print Values from a ZIDW Object	print.zidw
Rootogram for a ZIDW fit	rootogram_zidw
Randomized Quantile Residuals for a ZIDW Regression Fit	rqres_zidw_reg
Object Summaries	print.summary.zidw summary.zidw
Zero-Inflated Discrete Weibull Distribution	dzidw pzidw qzidw rzidw zidw
Pseudo-R^2 for ZIDW Regression	zidw_r_squared
Fitting of Zero-Inflated Discrete Weibull Regression Models	zidw_reg
Parameter Estimation for the Zero-Inflated Discrete Weibull	zidw_uni
Zero-Truncated Discrete Weibull Distribution	dztdw pztdw qztdw rztdw ztdw