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Results tagged with missing-data
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user 164053
When the data present lack of information (gaps), i.e., are not complete. Hence, it is important to consider this feature when performing an analysis or test.
4
votes
Imputing missing values on a testing set
Yes.
It is fine to perform mean imputation, however, make sure to calculate the mean (or any other metrics) only on the train data to avoid data leakage to your test set.
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