Chapter 1 Flashcards
The confirmation or validation of an event or object
Fact
A time infinite quantities of facts are widely available to anyone who can use a computer
Information Age
A world where interconnected Internet-enabled devices or “things” have the ability to collect and share data without human intervention
Internet of Things (IoT)
Refers to devices that connect directly to other devices
Machine-to-machine (M2M)
- Data
- Information
- Business intelligence
- Knowledge
The Core drivers of the information age
Raw facts that describe the characteristics of an event or object
Data
A collection of large, complex datasets, which cannot be analyzed using traditional database methods and tools
Big Data
The uncertainty of data, including biases, noise, and abnormalities
Variety
The scale of data
Volume
The analysis of streaming data as it travels around the internet
Velocity
has a definite length, type, and format and includes numbers, dates, or strings such as Customer Address format
Structured Data
Created by a machine without human intervention
Machine-generated data
Data that humans, in interaction with computers, generate
Human-generated data
Not defined, does not follow a specified format, and is typically free-form text
Unstructured data
Satellite images, scientific atmosphere data, and radar data
Machine-generated unstructured data
emails, tweets, and texts
Human-generated unstructured data
Data converted into a meaningful and useful context
Information
A data characteristic that stands for a value that changes or varies over time
Variable
A document containing data organized in a table, matrix, or geographical format allowing users to easily comprehend and understand information
Report
Changes automatically during creation
Dynamic report
Created once based on data that does not change
Static report
Information collected from multiple sources such as suppliers, customers, competitors, partners, and industries that analyze patterns, trends, and relationships for strategic decision making
Business intelligence
Collects, queries, and consumes organizational data to uncover patterns and provide insights for strategic business decision making
Data analyst
- Understanding math and statistics
- Coding skills to work with data
- Business area subject matter expertise
Three Key Skills of a Data Analyst