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Q. |
is the most drastic one and should be considered only when the dataset is quite large, the number of missing features is high, and any prediction could be risky. |
A. | removing the whole line |
B. | creating sub-model to predict those features |
C. | using an automatic strategy to input them according to the other known values |
D. | all above |
Answer» A. removing the whole line |
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