Data wrangling II

Readings

• Chester Ismay, Albert Y. Kim, and Arturo Valdivia, Statistical Inference via Data Science: A ModernDive into R and the Tidyverse, 2nd ed. (Chapman and Hall/CRC, 2025), https://doi.org/10.1201/9781032724546, 3.5–3.9
• “Isolating data with {dplyr}” interactive primer, https://r-primers.andrewheiss.com/transform-data/02-isolating/
• “Deriving information with {dplyr}” interactive primer, https://r-primers.andrewheiss.com/transform-data/03-deriving/

Slides

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Materials for class today

• Data wrangling .zip project
• Posit.cloud project (only if you’re using an iPad!)