- CFA Exams
- CFA Level I Exam
- Study Session 3. Quantitative Methods (2)
- Reading 8. Big Data Projects
- Subject 4. Model Training
CFA Practice Question
Which scenario will likely lead to overfitting?
A. big dataset
B. small dataset
C. large number of features
Explanation: Having a lot of features is pretty much like having a lot of dimensions. Effectively it means your data is more sparse, so it's a lot more likely you end up drawing a conclusion that isn't warranted.
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