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召回率和准确率如何测试 #338

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sixgodleaf opened this issue Nov 10, 2020 · 0 comments
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召回率和准确率如何测试 #338

sixgodleaf opened this issue Nov 10, 2020 · 0 comments

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@sixgodleaf
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想请教一下，你们这个召回率如何测试？
比如写入了100万条数据。你们是从这写入的100万条数据挑取n个向量（比如1000向量），然后用着1000个向量去查询topN（这里查的是前多少条？），查出来结果后，怎么样算正确？查询出一模一样的数据算正确吗？
假设查询出990条一模一样的向量，这个召回率应该怎么算？
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@sixgodleaf