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14-利用SVD简化数据 Recall(召回率);Precision（准确率）;F1-Meature（综合评价指标）;true positives；false positives;false negatives. Python机器学习库sciki-earn实践
14-利用SVD简化数据
Recall(召回率);Precision（准确率）;F1-Meature（综合评价指标）;true positives；false positives;false negatives.
Python机器学习库sciki-earn实践