CFA Practice Question

There are 155 practice questions for this study session.

CFA Practice Question

Here is an example of a word cloud based on President Obama’s 2011 State of the Union speech,

This is often used in the task of ______.

A. exploratory data analysis
B. feature selection
C. feature engineering
Correct Answer: A

Word clouds are a method for visually presenting text data. They are popular for text analysis because they make it easy to spot word frequencies. The more frequent the work is used, the larger and bolder it is displayed. Word clouds can identify trends and patterns that would otherwise be unclear or difficult to see in a tabular format. Besides being more visually appealing than a table of data, word clouds are easier to understand.

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