AWS Certified Machine Learning - Specialty MLS-C01 — Topic 1 Question 64

Question

A Data Scientist is working on an application that performs sentiment analysis. The validation accuracy is poor, and the Data Scientist thinks that the cause may be a rich vocabulary and a low average frequency of words in the dataset. Which tool should be used to improve the validation accuracy?

Accepted Answer

Correct answer: D. The correct answer is D. Option D: Scikit-leam term frequency-inverse document frequency (TF-IDF) vectorizer.

AWS Certified Machine Learning - Specialty MLS-C01 — Question 64