When handling missing data in a dataset, if the data is not missing at random, it's referred to as _______.
- Data Imputation
- Data Normalization
- Data Outlier
- Data Leakage
When data is not missing at random, it's often referred to as "data leakage." Data leakage can occur when missing data is not random but systematically related to the target variable, which can lead to biased results in data analysis.
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