Package: ZIM 1.1.0.1809

Ming Yang

ZIM: Zero-Inflated Models (ZIM) for Count Time Series with Excess Zeros

Analyze count time series with excess zeros. Two types of statistical models are supported: Markov regression by Yang et al. (2013) <doi:10.1016/j.stamet.2013.02.001> and state-space models by Yang et al. (2015) <doi:10.1177/1471082X14535530>. They are also known as observation-driven and parameter-driven models respectively in the time series literature. The functions used for Markov regression or observation-driven models can also be used to fit ordinary regression models with independent data under the zero-inflated Poisson (ZIP) or zero-inflated negative binomial (ZINB) assumption. Besides, the package contains some miscellaneous functions to compute density, distribution, quantile, and generate random numbers from ZIP and ZINB distributions.

Authors:Ming Yang [aut, cre], Gideon Zamba [aut], Joseph Cavanaugh [aut]

ZIM_1.1.0.1809.tar.gz
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ZIM.pdf |ZIM.html
ZIM/json (API)

# Install 'ZIM' in R:
install.packages('ZIM', repos = c('https://mingstat.r-universe.dev', 'https://cloud.r-project.org'))

Bug tracker:https://github.com/biostatstudio/zim/issues

Datasets:
  • injury - Example: Injury Series from Occupational Health
  • syph - Example: Syphilis Series

On CRAN:

Conda:

5.95 score 8 stars 32 scripts 263 downloads 7 mentions 20 exports 1 dependencies

Last updated 12 days agofrom:26c8852145. Checks:9 OK. Indexed: yes.

TargetResultLatest binary
Doc / VignettesOKMar 19 2025
R-4.5-winOKMar 19 2025
R-4.5-macOKMar 19 2025
R-4.5-linuxOKMar 19 2025
R-4.4-winOKMar 19 2025
R-4.4-macOKMar 19 2025
R-4.4-linuxOKMar 19 2025
R-4.3-winOKMar 19 2025
R-4.3-macOKMar 19 2025

Exports:bshiftdzimdzim.controldzim.filterdzim.fitdzim.plotdzim.simdzim.smoothdzinbdzippvaluepzinbpzipqzinbqziprzinbrzipzimzim.controlzim.fit

Dependencies:MASS

Introduction to ZIM

Rendered fromZIM.Rmdusingknitr::rmarkdownon Mar 19 2025.

Last update: 2018-09-03
Started: 2018-09-03