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Which top-N list does the performance operator work with for item recommendations?

User38755User38755 Member Posts: 1 Learner III
in Help
I am using the "performance" operator of the recommender extension for item recomendation. The values I get for NDCG and MAP are always the same even if I vary the value of "n" in the previous "apply model" operator. My question is: for what value of N of the top-N list does the "performance" operator calculate the value of NDCG and MAP? NDCG and MAP values vary depending on N.
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Answers

  • sara20sara20 Member Posts: 110 Unicorn
    @User38755

    Hello 
    Could you please send your process and data? Unfortunately it is very difficult to understand your question with out data and process.

    Regards
    sara
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