Amr Eleraqi
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Data Visualization
Introduction, Tools and Practice
Amr Eleraqi
Data Journalist - Co-founder of @TnfoTimes
Course Overview
- What is Data Visualization?
- Why to Visualise?
- Data Viz Goals
- Thinking and Seeing
- From Data to Graphics
- Data Viz Techniques
- Tools
- Effective Data Viz
Introduction
Foundation & Theory
Building Blocks
Construction
What is Data Visualisation?
Data visualization is broadly defined as a method of encoding quantitative, relational, or spatial information into images.
Images: Menard's figurative map (left) and Snow's dot map (right), from Wikimedia
"Everything that can be expressed in numbers can be represented by lines."
John Playfair
Why to Visualise?
Title Text
Why to Visualize
- Perception of information
- From complex to simple
- Explore the data
- Quick answers
- Resolve ambiguity
- Locate outliers
- Understand structure and patterns
- .................
Data Viz Goals
Explanatory
Explaratory
INSPIRATION
Thinking and Seeing
From Data to Chart
Title Text
Data Viz Techniques
Data Viz Tools
Title Text
Effective Data Viz
Accuracy
Don't cut bars
Don't cut time
Label directly
Label directly
Save the pie for desert
Save the pie for desert
Don't do 3D
Don't do 3D
Thanks!
Dataviz
By Amr Eleraqi
