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bizicount: Bivariate Zero-Inflated Count Models Using Copulas

Maximum likelihood estimation of copula-based zero-inflated (and non-inflated) Poisson and negative binomial count models, based on the article <doi:10.18637/jss.v109.i01>. Supports Frank and Gaussian copulas. Allows for mixed margins (e.g., one margin Poisson, the other zero-inflated negative binomial), and several marginal link functions. Built-in methods for publication-quality tables using 'texreg', post-estimation diagnostics using 'DHARMa', and testing for marginal zero-modification via <doi:10.1177/0962280217749991>. For information on copula regression for count data, see Genest and Nešlehová (2007) <doi:10.1017/S0515036100014963> as well as Nikoloulopoulos (2013) <doi:10.1007/978-3-642-35407-6_11>. For information on zero-inflated count regression generally, see Lambert (1992) <https://www.jstor.org/stable/1269547?origin=crossref>. The author acknowledges support by NSF DMS-1925119 and DMS-212324.

Version: 1.3.3
Depends: R (≥ 4.1.0)
Imports: pbivnorm (≥ 0.6.0), Formula (≥ 1.2-4), rlang (≥ 0.4.7), MASS (≥ 7.3-54), numDeriv (≥ 2016.8-1.1), methods, stats, utils, DHARMa (≥ 0.3.4), texreg (≥ 1.37.5)
Suggests: covr, testthat (≥ 3.0.0)
Published: 2024-05-01
DOI: 10.32614/CRAN.package.bizicount
Author: John Niehaus [aut, cre]
Maintainer: John Niehaus <jniehaus2257 at gmail.com>
BugReports: https://github.com/jmniehaus/bizicount/issues
License: GPL (≥ 3)
URL: https://github.com/jmniehaus/bizicount
NeedsCompilation: no
Citation: bizicount citation info
Materials: README NEWS
CRAN checks: bizicount results

Documentation:

Reference manual: bizicount.pdf

Downloads:

Package source: bizicount_1.3.3.tar.gz
Windows binaries: r-devel: bizicount_1.3.3.zip, r-release: bizicount_1.3.3.zip, r-oldrel: bizicount_1.3.3.zip
macOS binaries: r-release (arm64): bizicount_1.3.3.tgz, r-oldrel (arm64): bizicount_1.3.3.tgz, r-release (x86_64): bizicount_1.3.3.tgz, r-oldrel (x86_64): bizicount_1.3.3.tgz
Old sources: bizicount archive

Linking:

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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.