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https://github.com/fcorowe/countdata_modelling

Quick Guide for Modelling Count Data in A Multilevel Framework
https://github.com/fcorowe/countdata_modelling

glmmtmb lme4 negative-binomial-regression poisson-regression r-stats

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Quick Guide for Modelling Count Data in A Multilevel Framework

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# A Quick Guide: Modelling Count Data in R: A Multilevel Framework

[Francisco Rowe](http://www.franciscorowe.com) [[`@fcorowe`](http://twitter.com/fcorowe)]1

1 *Geographic Data Science Lab, University of Liverpool, Liverpool, United Kingdom*

*Correspondence*:
[email protected]

This repository contains a notebook which offers a quick practical guide, to illustrate how to estimate a count data regression model using four different variants: Poisson, Zero-inflated Poisson, Negative Binomial and Zero-inflated Negative Binomial models. It is not supposed to be a comprehensive guide but it is an starting point if you don't know what R packages and how relevant functions can be used to estimate these models.

## Citation

If you use the material, code or processed data, you can give appropriate attribution by using the following citation:

```
@article{rowe_gds21,
author = {Francisco Rowe},
title = {A Quick Guide: Modelling Count Data in R: A Multilevel Framework},
year = 2022,
url = {fcorowe.github.io/countdata_modelling/},
doi = {DOI 10.17605/OSF.IO/RGWH2},
}
```