Examtopics

AWS Certified Machine Learning - Specialty

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Topic 1 Question 182
A data scientist is reviewing customer comments about a company's products. The data scientist needs to present an initial exploratory analysis by using charts and a word cloud. The data scientist must use feature engineering techniques to prepare this analysis before starting a natural language processing (NLP) model. Which combination of feature engineering techniques should the data scientist use to meet these requirements?

2 つ選択
- Named entity recognition
- Coreference
- Stemming
- Term frequency-inverse document frequency (TF-IDF)
- Sentiment analysis
解説
Reference: https://www.analyticsvidhya.com/blog/2020/04/beginners-guide-exploratory-data-analysis-text-data/

ユーザの投票
コメント(7)
- 正解だと思う選択肢: CD
  Sentiment analysis is the result of analysis, not feature engineering. I think this answer should be C & D.
  
  👍 11
  DJiang2022/05/04
- 正解だと思う選択肢: CD
  why not C & D
  
  👍 4
  ckkobe242022/05/01
- 正解だと思う選択肢: CD
  A, B, E are not feature engineering
  
  👍 4
  edvardo2022/05/04
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