- CFA Exams
- CFA Exam: Level II 2021
- Study Session 3. Quantitative Methods (2)
- Reading 7. Machine Learning
- Subject 2. Overview of evaluating ML algorithm performance
CFA Practice Question
Bias error causes:
II. underfitting
III. high in-sample error
IV. low in-sample error
I. overfitting
II. underfitting
III. high in-sample error
IV. low in-sample error
Correct Answer: II and III
The bias error measures how far off on the average the model is from the truth. It is likely caused by algorithms with erroneous assumptions and produces poor approximation.
User Contributed Comments 0
You need to log in first to add your comment.