- CFA Exams
- CFA Level I Exam
- Study Session 3. Quantitative Methods (2)
- Reading 8. Big Data Projects
- Subject 2. Data Preparation and Wrangling
CFA Practice Question
Although most punctuations are not necessary for text analysis and should be removed, some punctuations may be useful for ML model training. They should be ______.
A. annotated
B. tokenized
C. normalized
Explanation: Such annotations preserve the semantic meaning of important characters in the text for further text processing and analysis stages.
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