DEAN 690_Week 11

Assignment: Week 11

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Expert Interview – Data Visualization & Infographics

https://dadepaperblog.wordpress.com/2017/04/07/expert-interview-data-visualization-infographics/

Dataset

Topic: Virginia Crash Data (Department of Motor Vehicles)

Description: Data that is collected, stored and analyzed by this Division is used for problem identification and resolution by local, state and federal entities across the Commonwealth.

Link: https://www.dmv.virginia.gov/safety/#crash_data/index.asp

This website provides the simple tables by crash type: crashes by crash type, speed-related crashes, alcohol-related crashes, and Virginia motor vehicle statistics.

Questions

31. What is Collaborative filtering?

Collaborative filtering is one kind of recommendation system. For example, when we search keywords on Google. “Related artilces” is one kind of collaborative filtering.

Reference:

[1] Ekstrand, Michael D, John T Riedl, and Joseph A Konstan. Collaborative Filtering Recommender Systems. 1st ed. Hanover, Mass.: Now Publishers, 2011. Print.