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If you've come here, presumably that means you are working your way through my book. I hope you are enjoying it!

Here you will find pages dedicated to the exercises described at the end of each chapter, as well as updates about code that might become obsolete or that needs to be updated. Since R is a living and changing language, it is possible that some of what I wrote in the book may not work by the time you are reading it. Hopefully you can find what you need here to get back on track! Click on the Chapter names to the right to read sample answers to the assignments at the end of each chapter, or to see updates to code in different chapters.

The other main reason you might be here is to download the RxP.csv file that you need to work through all the code in the book. You can download the file here. Save that file to your computer (for example, by right clicking on the link) and you will be good to go! Note that you might need to add the ".csv" to the end of the file name, or your browser might save it as a .txt file.

If you are an educator and are thinking of using the book in teaching you will find a page to the right that describes how I use the material in teaching. I hope you find it useful.

Lastly, please feel free to reach out if you have questions or feedback. You can email me at jutouchon-at-vassar-dot-edu. ¡Saludos!

-Justin