Introduction to Data Science

Rafael A. Irizarry

The first volume of Rafael Irizarry’s data science book, which began as the notes for the HarvardX Data Science series. It teaches R and the tidyverse, data visualization with ggplot2 and its principles, and data wrangling (reshaping, joining, dates, web scraping, strings, text analysis), and finishes with Unix, Git and reproducible projects. A second volume on statistics and prediction algorithms is also free online.

What you'll learn

  • R basics and the tidyverse
  • Visualizing data with ggplot2
  • Principles of good data visualization
  • Reshaping, joining and cleaning data
  • Scraping the web and processing text
  • Unix, Git and reproducible projects

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