Cluster Analysis Quiz
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Questions and Answers

Cluster analysis is a supervised learning technique

False

A cluster is a collection of data objects that are similar to one another within the same group

True

Partitioning methods and hierarchical methods are the two major clustering approaches

True

Cluster analysis is used as a stand-alone tool to get insight into data distribution

<p>True</p> Signup and view all the answers

Cluster analysis is not widely used in business intelligence, image pattern recognition, Web search, biology, and security

<p>False</p> Signup and view all the answers

What is the center of a cluster known as?

<p>Centroid</p> Signup and view all the answers

In cluster analysis, what is the process of discovering clusters known as?

<p>Clustering</p> Signup and view all the answers

What type of learning is cluster analysis considered to be?

<p>Unsupervised learning</p> Signup and view all the answers

What are typical clustering applications in data mining?

<p>Outlier detection</p> Signup and view all the answers

What is the purpose of using cluster analysis as a preprocessing step for other algorithms in data mining?

<p>To improve classification accuracy</p> Signup and view all the answers

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