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ap@k in R should work even if one of the vectors is empty #42

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StanislawSwierc wants to merge 1 commit into benhamner:master from StanislawSwierc:master

StanislawSwierc commented Jan 2, 2018

I came across this problem when I tried to use ap@k for a recommendation system that returns no items if the confidence is low.


          ap@k in R should work even if one of the vectors is empty

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