| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 43 | AIMC042 AI-MC-042 一个特征有缺失值,采用中位数填补时,填补值通常应从哪里估计? | 0 / 0 | 5 | |
| 123 | AIMC122 AI-MC-122 收入特征在训练集中有20%缺失,独立测试集有50%缺失。已经锁定训练中位数为6000,测试集中位数为9000。按既定填补流程,测试缺失项使用哪个值? | 0 / 0 | 5 |
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