I took a look at the code in the author&#x27;s GitHub repository.<p>The data sources are CSVs in this repository: <a href="https:&#x2F;&#x2F;github.com&#x2F;BobAdamsEE&#x2F;SouthParkData&#x2F;" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;BobAdamsEE&#x2F;SouthParkData&#x2F;</a><p>Looks like all the data is preprocessed, with everyone mostly having only 1 line. (Actually, it appears the line you note in 10-3 <i>is</i> broken!) You can make an argument that the script isn&#x27;t processed correctly, but that&#x27;s beyond the scope of the analysis, although a note might be helpful.