:precision

精确率（precision）是指在所有被分类器预测为正类的样本中，确实属于正类的样本所占的比例。它反映了分类器的预测准确性。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* *2* [机器学习系列(二)——评价指标Precision和Recall](https://blog.csdn.net/CX330lxy/article/details/127697438)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT3_1"}}] [.reference_item style="max-width: 50%"]
- *3* [精确率（precision）、召回率（recall）、准确率（accuracy）](https://blog.csdn.net/duan19920101/article/details/121726392)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT3_1"}}] [.reference_item style="max-width: 50%"]
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