Access over 20 million homework & study documents

Ch26 datamining

Content type
User Generated
Rating
Showing Page:
1/181

Sign up to view the full document!

lock_open Sign Up
Showing Page:
2/181

Sign up to view the full document!

lock_open Sign Up
Showing Page:
3/181

Sign up to view the full document!

lock_open Sign Up
Showing Page:
4/181

Sign up to view the full document!

lock_open Sign Up
End of Preview - Want to read all 181 pages?
Access Now
Unformatted Attachment Preview
Chapter 26: Data Mining (Some slides courtesy of Rich Caruana, Cornell University) Definition Data mining is the exploration and analysis of large quantities of data in order to discover valid, novel, potentially useful, and ultimately understandable patterns in data. Example pattern (Census Bureau Data): If (relationship = husband), then (gender = male). 99.6% Ramakrishnan and Gehrke. Database Management Systems, 3rd Edition. Definition (Cont.) Data mining is the exploration and analysis of large quantities of data in order to discover valid, novel, potentially useful, and ultimately understandable patterns in data. Valid: The patterns hold in general. Novel: We did not know the pattern beforehand. Useful: We can devise actions from the patterns. Understandable: We can interpret and comprehend the patterns. Ramakrishnan and Gehrke. Database Management Systems, 3rd Edition. Why Use Data Mining Today? Human analysis skills are inadequate: • Volume and dimensionality of the data • High data growth rate Availability of: • Data • Storage • Computational power • Off-the-shelf software • Expertise Ramakrishnan and Gehrke. Database Management Systems, 3rd Edition. An Abundance of Data • Supermarket scanners, POS data • Preferred customer cards • Credit card transactions • Direct mail response • Call center records • ATM machines • Demographic data • Sensor networks • Cameras • Web server logs • Customer web site trails Ramakrishnan and ...
Purchase document to see full attachment
User generated content is uploaded by users for the purposes of learning and should be used following Studypool's honor code & terms of service.

Anonymous
Really helped me to better understand my coursework. Super recommended.

Studypool
4.7
Trustpilot
4.5
Sitejabber
4.4