Question: I'm using R and I need to manipulate the text in my data frame. Basically, I am tracking the location of a run in a

I'm using R and I need to manipulate the text in my data frame. Basically, I am tracking the location of a run in a football game. So I have a column of data with levels of right tackle, right guard, middle NA, left guard, left tackle. I want to change that column (location_side) so I can keep everything the same but I want to remove the NA part of "middle NA".

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