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MLS-C01
Exploratory Data Analysis
medium
Question 5 of 48

A data scientist is building a model to predict whether a customer will cancel their subscription next month. The dataset includes a column cancellation_date that is only populated after a cancellation actually occurs. What problem does including this column in training introduce?

AMulticollinearity
BData imbalance
CTarget leakage
DOverfitting due to high cardinality

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