Character Variables to Factor Variables

[crushknight8]

Hi There,

I was reviewing the June 16 2020 Exam, I noticed there were a lot of variables that are character variables but in the solution they do not change them to factor variables. I was having trouble running the solution code because the variables had to be converted to factor variables. Why is this not done in the solution, and is there something I am missing that allows character vars to be ran like factor vars?

[SmilingGhost]

It might just be because of the version of R you are running. Try using the command options(stringsAsFactors = TRUE) at the start of the file.

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