- CFA Exams
- CFA Level I Exam
- Topic 1. Quantitative Methods
- Learning Module 7. 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 outliers at the (structured) data wrangling step.
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