CompTIA DataX (DY0-001) — Question 26

In a modeling project, people evaluate phrases and provide reactions as the target variable for the model. Which of the following best describes what this model is doing?

Answer options

• A. Sentiment analysis
• B. Named-entity recognition
• C. TF-IDF vectorization
• D. Part-of-speech tagging

Correct answer: A

Explanation

The correct answer is A, Sentiment analysis, as it specifically focuses on analyzing emotions or attitudes expressed in phrases. The other options do not apply; B, Named-entity recognition identifies entities like names or locations, C, TF-IDF vectorization measures word importance in a document, and D, Part-of-speech tagging labels words based on their grammatical roles.