AI & MLCoreAIML-DATA-004
Missing Data
Gaps with mechanisms: delete, impute, or model — and say which you chose.
- Difficulty
- 1 / 5
- Importance
- 5 / 5
- Study time
- 1–2 h
- Kind of work
- Mixed
Why it matters
The learner can compare deletion vs mean-imputation on one tiny column and state the assumption each choice smuggles in.