P77Data CleaningIntermediateChoose14 min
Choose a Missing-Data Strategy for Income and Region
Choose separate missing-data treatments for numeric income and categorical region.
#choose#missing data#imputation
Scenario
A loan model has 18% missing income, concentrated among newly onboarded applicants, and 4% missing region from an optional profile field.
Problem statement
Recommend defensible treatments for both fields and explain the evidence you would check first.
Your Task
- Consider why each field is missing.
- Address downstream model behavior and bias.
- Decide whether missingness should be retained as information.
Related Concepts
Missingness indicatorsMedian imputationBias
Ready to count this problem?
Mark it complete when you have reasoned through the solution in your own words.