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To cite pscl/ideal in publications use

Jackman S (2024). pscl: Classes and Methods for R Developed in the Political Science Computational Laboratory. University of Sydney, Sydney, Australia. R package version 1.5.9, https://github.com/atahk/pscl/.

If count data regression models zeroinfl()/hurdle() are used, please cite:

Zeileis A, Kleiber C, Jackman S (2008). “Regression Models for Count Data in R.” Journal of Statistical Software, 27(8). https://www.jstatsoft.org/v27/i08/.

Corresponding BibTeX entries: 

  @Manual{,
    title = {{pscl}: Classes and Methods for {R} Developed in the
      Political Science Computational Laboratory},
    author = {Simon Jackman},
    organization = {University of Sydney},
    address = {Sydney, Australia},
    year = {2024},
    note = {R package version 1.5.9},
    url = {https://github.com/atahk/pscl/},
  }

  @Article{,
    title = {Regression Models for Count Data in {R}},
    author = {Achim Zeileis and Christian Kleiber and Simon Jackman},
    journal = {Journal of Statistical Software},
    year = {2008},
    volume = {27},
    number = {8},
    url = {https://www.jstatsoft.org/v27/i08/},
  }

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.
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