Rendered html of output file can be found:

https://htmlpreview.github.io/?https://github.com/zachacrowell/cces2016/blob/master/code/01_lasso_statedvote2016.html

Orginial data and codebook (including variable definitions) can be found:

https://dataverse.harvard.edu/dataset.xhtml?persistentId=doi%3A10.7910/DVN/GDF6Z0