Examining the arc of 100,000 stories: a tidy analysis

Examining the arc of 100,000 stories: a tidy analysis
By David Robinson
Apr 26 2017
http://varianceexplained.org/r/tidytext-plots/

I recently came across a great natural language dataset from Mark Riedel: 112,000 plots of stories downloaded from English language Wikipedia. This includes books, movies, TV episodes, video games- anything that has a Plotsection on a Wikipedia page.

This offers a great opportunity to analyze story structure quantitatively. In this post I’ll do a simple analysis, examining what words tend to occur at particular points within a story, including words that characterize the beginning, middle, or end.

As I usually do for text analysis, I’ll be using the tidytext package Julia Silge and I developed last year. To learn more about analyzing datasets like this, see our online book Text Mining with R: A Tidy Approach, soon to be published by O’Reilly. I’ll provide code for the text mining sections so you can follow along. I don’t show the code for most of the visualizations to keep the post concise, but as with all of my posts the code can be found here on GitHub.

Setup

I downloaded and unzipped the plots.zip file from the link on the GitHub repository. We then read the files into R, and combined them using dplyr.

[snip]

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