User-CF 实验报告¶
本次运行做了什么¶
- 读取 MovieLens:全量数据。
- 将评分大于等于 4.0 的记录当作正反馈。
- 使用 sklearn 的余弦近邻搜索寻找相似用户。
指标¶
precision@10:0.1000recall@10:0.0019
推荐样例¶
| title | genres | score |
|---|---|---|
| Wallace & Gromit: The Best of Aardman Animation (1996) | Adventure | Animation |
| Enron: The Smartest Guys in the Room (2005) | Documentary | 2.89688 |
| Parasite (2019) | Comedy | Drama |
| Muppets Take Manhattan, The (1984) | Children | Comedy |
| People Will Talk (1951) | Comedy | Romance |
| Run Silent Run Deep (1958) | War | 2.10309 |
| The Irishman (2019) | Crime | Drama |
| Murder on the Orient Express (1974) | Crime | Mystery |
| Knives Out (2019) | Comedy | Crime |
| Christmas Carol, A (1938) | Children | Drama |