Understanding Chi-Square Differences in VCD's assocstats() and descr's crosstab(): An Exploration of Methodological Variations

The provided code is not entirely correct and does not follow good coding practices. Here's a revised version of the code that addresses these issues:

Creating Date Variables in R: A Step-by-Step Guide to Extracting Year and Quarter Components

Resolving Inconsistencies Between Zero-Inflated Negative Binomial and Generalized Linear Models for Count Data Analysis in R