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Basic Question 2 of 10
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.
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I am happy to say that I passed! Your study notes certainly helped prepare me for what was the most difficult exam I had ever taken.
Andrea Schildbach
Learning Outcome Statements
describe supervised machine learning algorithms - including penalized regression, support vector machine, k-nearest neighbor, classification and regression tree, ensemble learning, and random forest - and determine the problems for which they are best suited;
CFA® 2026 Level II Curriculum, Volume 1, Module 6.