Chapter 6 Flashcards
What are the four aspects of data?
Data type, timeliness, quality, governance
Data type
Transactional (data), analytical (information)
Data governance
The management of the availability, usability, integrity, and security of data, implemented via policies
Database
A collection of tables to keep track of anything in which users are interested
DBMS
Creates, reads, updates, and deletes data in a database while controlling access and security
Data warehouse
A collection of data gathered from internal and external databases to support business analysis and decision-making
Internal databases
Marketing, sales, inventory, billing
External databases
Competitor information, industry information, mailing lists, stock market analysis
Scrubbing
Data cleaning: fixes or discards dirty data
ETL
Extraction, transformation, loading
Data mining
The process of analyzing a large amount of data to extract hidden patterns
and relationships among various factors
POP TART CAT WHOOOO
Cluster analysis is a form of what?
Data mining
Cluster analysis
To divide data into mutually exclusive groups such that the members within a group are as close together to one another as possible
Association detection
To reveal the relationship between variables, and the nature and frequency of the relationships
What is an example of association detection?
Market Basket Analysis
