- CFA Exams
- CFA Level I Exam
- Topic 1. Quantitative Methods
- Learning Module 6. Machine Learning
- Subject 2. Overview of Evaluating ML Algorithm Performance
CFA Practice Question
There are typically three types of samples:
II. validation sample
III. test sample
B. II and III
C. None of them. It is the production sample.
I. training sample
II. validation sample
III. test sample
The term "out-of-sample" refers to:
A. III
B. II and III
C. None of them. It is the production sample.
Correct Answer: B
The training sample is often referred to as being "in-sample". Never train on test data!
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