Welcome
Companion Web site
Dedication
1 Introduction
2 Get Started With R in a Few Easy Steps
3 See How Much You Can Do in a Few Lines of Code
4 Import Data into R
5 Basic Data Exploration
6 Beginning data visualization
7 Two or more data sets
8 Analyze data by groups
9 Graphing by Group
10 Write your own R functions
11 Maps in R
12 Putting it all Together: R on Election Day
13 Date calculations
14 Help! My data’s in the wrong format!
15 Integrate R With Your Storytelling Using R Markdown
16 Simple Web scraping
17 An R project from start to finish
18 Additional resources
Appendix A Online: How do I …
Appendix B Online: Functions
Appendix C Online: Packages

Practical R for Mass Communication and Journalism

13 Date calculations

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