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Recall指标对齐 #5

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@zhujiem

您好,我看到ENMF与LightGCN 和NBPO等方法,但我发现ENMF代码中recall指标的计算与其他几种方法没有对齐。我想确定您给定的ENMF结果是使用下面第一种还是第二种的结果?

第一种:ENMF中使用的是len(hit_items) / min(topk, len(ground_truth))

第二种使用的是 len(hit_items) / len(ground_truth),如下
NBPO: https://github.com/Wenhui-Yu/NBPO/blob/master/Library.py#L14
LightGCN: https://github.com/kuandeng/LightGCN/blob/master/evaluator/python/evaluate_foldout.py#L20

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