That's a numpy one-liner. np.setdiff1d(array_one, array_two) | Hacker News

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		gammarator on Oct 7, 2019 \| parent \| context \| favorite \| on: R is a joy if you treat it like Awk That's a numpy one-liner. `np.setdiff1d(array_one, array_two)`

tfehring on Oct 7, 2019 [–]

This is completely different functionality than the parent comment's code. It's only joining on one "column", not two, and it only returns the values in that "column", while the parent's code returns complete rows from the dataframe.

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