How Does R Deal with Categorical Explanatory Variables?
[This article was first published on Coffee and Econometrics in the Morning, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here)
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Here’s a video tutorial where I demonstrate an answer to this question.Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.
This video is designed to instill a baseline level of practical knowledge. There is more to how R treats factors in regression models. An interested reader should Google “R contrasts” for more information.
Here is the code I used in the video:
Here is a link to the data set.
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