References

Firke, Sam. 2026. Janitor: Simple Tools for Examining and Cleaning Dirty Data. https://cran.r-project.org/package=janitor.
Waring, Elin, Michael Quinn, Amelia McNamara, Eduardo Arino de la Rubia, Hao Zhu, and Shannon Ellis. 2026. Skimr: Compact and Flexible Summaries of Data. https://cran.r-project.org/package=skimr.
Wickham, Hadley. 2017. Ggplot2: Elegant Graphics for Data Analysis. 2nd ed. Springer.
———. 2026a. Ggplot2: Create Elegant Data Visualisations Using the Grammar of Graphics. https://ggplot2.tidyverse.org/.
———. 2026b. Stringr: Simple, Consistent Wrappers for Common String Operations. https://stringr.tidyverse.org/.
Wickham, Hadley, Mine Çetinkaya-Rundel, and Garrett Grolemund. 2023. R for Data Science. O’Reilly Media. https://r4ds.hadley.nz/.
Wickham, Hadley, Romain François, Lionel Henry, and Kirill Müller. 2026. Dplyr: A Grammar of Data Manipulation. https://dplyr.tidyverse.org/.
Xie, Yihui. 2015. Dynamic Documents with r and Knitr. Chapman; Hall/CRC.
———. 2016. Bookdown: Authoring Books and Technical Documents with r Markdown. Chapman; Hall/CRC. https://bookdown.org/yihui/bookdown/.