- CFA Exams
- CFA Level I Exam
- Study Session 3. Quantitative Methods (2)
- Reading 8. Big Data Projects
- Subject 3. Data Exploration Objectives and Methods
CFA Practice Question
If a word is very common and appears in many documents, its document frequency measure will likely approach ______.
B. 0
C. 1
A. -1
B. 0
C. 1
Correct Answer: B
Document frequency measures how common or rare a word is in the entire document set. The closer it is to 0, the more common a word is.
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