How do you handle imbalanced datasets in classification problems?

Instruction: Discuss strategies for dealing with imbalanced datasets to improve model performance on minority classes.

Context: This question assesses the candidate's ability to apply techniques like resampling, using different evaluation metrics, or applying algorithmic approaches to address data imbalance.

Official answer available

Preview the opening of the answer, then unlock the full walkthrough.

I start by asking whether the imbalance is actually creating a decision problem. Sometimes a dataset is imbalanced but the model still performs well on the minority class. Other times the model looks good overall and fails badly on exactly the class I care about....

Related Questions