- CFA Exams
- CFA Level I Exam
- Study Session 3. Quantitative Methods (2)
- Reading 7. Machine Learning
- Subject 2. Overview of Evaluating ML Algorithm Performance
CFA Practice Question
Which statement is false?
A. The more complex a model, the less the bias error.
B. The more complex a model, the less the variance error.
C. The base error is at where the bias error and variance error curves intersect.
Explanation: The more complex a model, the greater the variance error.
Bias error: measures how the predictor is mismatched with the true model in expectation
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