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@jemoka / Jemoka Knowledge Base / wiki/concepts/mean_average_precision.md
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--- title: "mean average precision" type: concept source: https://www.jemoka.com/posts/kbhmean_average_precision/ confidence: high status: active --- at each point a relevant result is returned, calculate precision and then average that and then average the precision over all queries precision \begin{equation} \frac{tp}{tp + fp} \end{equation} recall \begin{equation} \frac{tp}{tp+fn} \end{equation} accuracy \begin{equation} \frac{tp + tn}{tp+tn+fp+fn} \end{equation} f1 \begin{equation} F_1 = \frac{2 (P\cdot R)}{P+R} \end{equation}