Data Mining

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Questions and Answers

What is one of the main reasons for the enormous data growth in commercial and scientific databases?

Limited storage capacity

Lack of interest in cyber security

Advances in data generation and collection technologies (correct)

Decreased interest in data analysis

Which company is mentioned as having Peta Bytes of web data?

Amazon

Facebook

Yahoo (correct)

Google

What is one of the reasons for the competitive pressure to provide better, customized services?

To reduce data collection

To decrease computational power

To gain an edge in Customer Relationship Management (correct)

To limit web data storage

What is the new mantra (slogan) mentioned in the text?

Gather whatever data you can whenever and wherever possible Signup and view all the answers

What is the primary purpose of data mining in the context of NASA EOSDIS?

Extraction of potentially useful information from data Signup and view all the answers

Which areas contribute ideas to data mining?

Machine learning and pattern recognition Signup and view all the answers

What are examples of classification tasks mentioned in the text?

Categorizing news stories and predicting tumor cells Signup and view all the answers

What is a specific application of classification mentioned in the text?

Fraud detection in credit card transactions Signup and view all the answers

What is the main focus of data mining tasks?

Finding human-interpretable patterns in data Signup and view all the answers

What does data mining help scientists with?

Solving societal problems Signup and view all the answers

What task involves predicting credit worthiness and identifying intruders?

Classification Signup and view all the answers

What is an example of a classification application mentioned in the text?

Fraud detection in credit card transactions Signup and view all the answers

Which area does data mining draw ideas from?

Pattern recognition and statistics Signup and view all the answers

What is an example of a specific application of classification mentioned in the text?

Fraud detection in credit card transactions Signup and view all the answers

What is the focus of classification tasks?

Finding human-interpretable patterns in data Signup and view all the answers

What does sky survey cataloging use data mining for?

Predicting the class of sky objects based on telescopic survey images Signup and view all the answers

Which data mining task involves finding groups of similar objects?

Clustering Signup and view all the answers

What is the primary purpose of regression in data mining?

To predict continuous valued variables based on other variables Signup and view all the answers

Which application is mentioned as an example of association rule discovery?

Market-basket analysis Signup and view all the answers

What is the focus of market segmentation and document clustering in data mining?

Subdividing markets and finding groups of similar documents Signup and view all the answers

In which application is deviation/anomaly/change detection used?

Telecommunication alarm diagnosis Signup and view all the answers

What are the motivating challenges in data mining?

Scalability, high dimensionality, heterogeneous and complex data Signup and view all the answers

What is an example of a specific application of regression mentioned in the text?

Predicting sales amounts Signup and view all the answers

Which task involves producing dependency rules to predict the occurrence of an item based on occurrences of other items?

Association rule discovery Signup and view all the answers

What is the primary purpose of deviation/anomaly/change detection in data mining?

To detect significant deviations from normal behavior Signup and view all the answers

What is an example of an application of clustering mentioned in the text?

Grouping related documents for browsing Signup and view all the answers

Which task involves predicting credit worthiness and identifying intruders?

Deviation/anomaly/change detection Signup and view all the answers

What are applications of association rule discovery mentioned in the text?

Market-basket analysis Signup and view all the answers

Study Notes

Introduction to Data Mining

NASA EOSDIS archives over petabytes of earth science data per year from remote sensors on a satellite.
Data mining helps scientists in automated analysis of massive datasets and hypothesis formation.
Opportunities to improve productivity and solve societal problems exist through data mining.
Data mining involves the nontrivial extraction of potentially useful information from data.
Data mining draws ideas from machine learning, AI, pattern recognition, statistics, and database systems.
Data mining tasks include prediction methods and finding human-interpretable patterns in data.
Classification tasks involve predicting credit worthiness and identifying intruders in cyberspace.
Examples of classification tasks include categorizing news stories and predicting tumor cells.
Classification applications include fraud detection in credit card transactions and churn prediction for telephone customers.
Sky survey cataloging uses data mining to predict the class of sky objects based on telescopic survey images.

Introduction to Data Mining

The class model is based on features like success stories, early class stages of formation, intermediate and late data sizes, object catalog, and image database.
Regression is used to predict continuous valued variables based on other variables, with examples like predicting sales amounts and time series prediction of stock market indices.
Clustering involves finding groups of similar objects, with applications in custom profiling for targeted marketing, grouping related documents for browsing, and reducing the size of large data sets.
Market segmentation and document clustering are applications of clustering, aimed at subdividing markets and finding groups of similar documents, respectively.
Association rule discovery involves producing dependency rules to predict the occurrence of an item based on occurrences of other items, with applications in market-basket analysis, telecommunication alarm diagnosis, and medical informatics.
An example of association analysis is the subspace differential coexpression pattern, enriched with the TNF/NFB signaling pathway, related to lung cancer.
Deviation/anomaly/change detection is used to detect significant deviations from normal behavior, with applications in credit card fraud detection, network intrusion detection, and identifying abnormal behavior from sensor networks.
The motivating challenges in data mining include scalability, high dimensionality, heterogeneous and complex data, data ownership and distribution, and non-traditional analysis.

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Description

Test your knowledge of data mining with this quiz covering topics such as classification, regression, clustering, association rule discovery, and deviation detection. Explore the various applications and challenges in data mining while gaining an understanding of its significance in analyzing large datasets.