A Data Scientist Is Working on an Application That Performs

question 8

Multiple Choice

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?

• A) Amazon Comprehend syntax analysis and entity detection
• B) Amazon SageMaker BlazingText cbow mode Amazon SageMaker BlazingText cbow mode
• C) Natural Language Toolkit (NLTK) stemming and stop word removal
• D) Scikit-leam term frequency-inverse document frequency (TF-IDF) vectorizer

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Definitions:

Transnational Human Capital

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Customizing Products

The process of modifying or building products to meet individual customer needs or preferences.

Performance Management

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The total amount of money and benefits an employee receives in one year.