- CFA Exams
- CFA Exam: Level II 2021
- Study Session 3. Quantitative Methods (2)
- Reading 8. Big Data Projects
- Subject 2. Data preparation and wrangling
CFA Practice Question
Which operation does not happen at the text wrangling step?
B. normalization
C. trimming
A. tokenization
B. normalization
C. trimming
Correct Answer: C
Trimming is for removing outliners at the (structured) data wrangling step.
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