常用的評測指標

原創 路越 2020-07-08 12:17

  • NDCG（Normalized Discounted Cumulative Gain）: 維基百科寫的很清楚。
    注意理解這四個詞。
    Discounted：順序影響指標。
    Normalized：消除文檔個數對指標的影響。
    Cumulative：累積。

  • ROC和AUC
    參考：ROC和AUC介紹以及如何計算AUC

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