AI & MLCoreAIML-DATA-002
Encoding Categories
One-hot, ordinal, and beyond: turning names into numbers without inventing order.
- Difficulty
- 1 / 5
- Importance
- 5 / 5
- Study time
- 1–2 h
- Kind of work
- Mixed
Why it matters
The learner can one-hot encode a tiny categorical column and explain what ordinal encoding falsely implies.