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Data Mining Lecture 1: Introduction by Heba AL.Marwai

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Data Mining Lecture 1: Introduction by Heba AL.Marwai

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Questions and Answers

What is data mining primarily concerned with?

Storing data efficiently

Discovering useful patterns in large datasets (correct)

Creating data visualizations

Developing new programming languages

Which term in data mining refers to a set of facts usually stored in a database?

Interestingness

Pattern

Attribute

Data (correct)

Why is data mining necessary in the digital age?

To extract useful patterns from enormous amounts of data (correct)

Due to sparsity of data

To generate large amounts of raw data

To solve complex mathematical equations

What is the main goal of data mining?

To analyze raw data to extract knowledge Signup and view all the answers

In the Data Mining Process, what is the first step that needs to be done?

Understand the domain Signup and view all the answers

Which Data Mining Task focuses on identifying significant dependencies between data attributes?

Dependencies and associations Signup and view all the answers

Why is data preprocessing necessary in the real world?

To ensure data is clean, complete, and consistent Signup and view all the answers

What is one reason why data can be incomplete according to the text?

Misunderstanding or malfunctions during recording Signup and view all the answers

Which task is NOT typically part of data cleaning according to the text?

Introducing inconsistencies into the data Signup and view all the answers

What are some examples of tasks that can be performed through data mining, as mentioned in the text?

Clustering and classification Signup and view all the answers