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recommendation

推荐算法的实现,python、jupyter双版本,详尽注释。 正在努力更新中...

对MovieLens电影评分小型数据集做Top N推荐:

  1. baseline--推荐最热门的N=20部电影,precision=11%, recall=4%, coverage=0.2%, popularity=169。这部分内容包含在UserCF.py
  2. UserCF,precision=25%, recall=10%, coverage=10%, popularity=4.4
  3. ItemCF,precision=26%, recall=10%, coverage=15%, popularity=4.3

对MovieLens电影评分小型数据集做评分预测:

  1. baseline--使用所有评分的均值做预测,MAE:0.83。这部分内容包含在LinearRegression_Rating.ipynb
  2. BiasSVD,MAE:0.68
  3. LinearRegression,MAE:0.61

对criteo广告展示小型数据集做点击率预测

  1. gbdt+lr,binary_logloss:0.4783

对Census数据中的收入做二分类

  1. Google TensorFlow Guide上的Wide&Deep基准模型准确率: 0.83。(从有的知乎博主分享的链接来看,已经打不开了)
  2. Wide&Deep, accuracy: 0.8587

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