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Data Visualisation
Paul Laughlin
Chief Blogger, CustomerInsightLeader.com
Founder, Laughlin Consultancy
Theory
#BadDataViz
Basic Charts
Resources
Need
The Need for Data Viz
(Part 1 of 5)
Why do we need Data Viz?
Anscombe’s Quartet
Different Types of Data
Range of Data Viz tools
Don’t be put off
Excel can do great things
Table of Contents 1
Jon Schwabish
POLICYVIZ.COM
A Guide to Advanced Data Visualization
EXCEL 2010
What is the Purpose?
Theory of Data Viz
(Part 2 of 5)
Choose your: Marks
Choose your: Channels
Choose carefully
1 chart, many attributes
1 CATEGORICAL
1 QUANTITATIVE 2 QUANTITATIVE
1 CATEGORICAL
2 QUANTITATIVE
1 CATEGORICAL
3 QUANTITATIVE
Data Ethics
• Graphical Integrity
• Chart Junk
• Data-Ink = % of ink on page that conveys data
• Data Density = data values / area of graphic
Basic Chart Options
(Part 3 of 5)
2 quant = Scatter Plot
Bar or Column charts
1 ordinal = Line Chart
The right choice of Map
Other design options
Develop a palette
#BadDataViz
(Part 4 of 5)
What’s wrong with this?
What’s wrong with this?
What’s wrong with this?
What’s wrong with this?
What’s wrong with this?
Resources for your CPD
(Part 5 of 5)
Positive examples (awards)
Data Viz experts
customerinsightleader.com	
laughlinconsultancy.com
@LaughlinPaul
linkedin.com/in/paullaughlin
paul@laughlinconsultancy.com
+44 (0)7446 958061
Any questions?

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Data Visualisation talk at CIM Wales Analytics Masterclass