Amr Eleraqi
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Data Visualization
Introduction, Tools and Practice
Amr Eleraqi
Agenda
- What is Data Visualisation?
- From Data to Graphics
- Tools
Introduction
Building Blocks
Construction
What is Data Visualisation?
Data visualisation is broadly defined as a method of encoding quantitative, relational, or spatial information into images.
Why to Visualise?
Title Text
Why to Visualize
- From complex to simple
- Explore the data
- Quick answers
- Resolve ambiguity
- Locate outliers
- Understand structure and patterns
- .................
Data Viz Goals
Explanatory
Exploratory
From Data to Chart
Title Text
Message:
Distribution
Correlation
Ranking
Part of a whole
Evolution
Map
Flow
Data type:
Numeric
Categoric
Numeric + Categoric
Maps
Network
Your graph will depend on
Data Viz Tools
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!
Copy of Dataviz
By Amr Eleraqi
