I have a data frame with a character field of the form "ACUTE URI NOS", "OPEN
WOUND OF FOREHEAD", "CROUP", "STREP SORE THROAT", ....
How can I get counts of all the words and their co-occurences? I've spent a
long time searching on google, but it just takes me on a wild goose chase of
dozens of modules involving advanced natural language processing theory. All I
want is word counts and co-occurences.
Thanks
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