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APRIL 29, 2014
DATA VISUALIZATION
AMANDA MAKULEC | ERICA NYBRO
APLIC 2014
[IMPACT | INTRIGUE | VALUE ADD]
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DATA NEWBIES TO DATA NINJAS
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VISUALIZATION TO TELL A STORY AMPLIFY YOUR REACH MAKE DECISIONS
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THE VISUALIZATION PROCESS
IDENTIFY YOUR
AUDIENCE &
CONTEXT
FIND THE STORY
IN YOUR DATA
BUILD YOUR
VISUALIZATION
DISSEMINATE,
SHARE & USE
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WHAT?
DATA WHAT INFORMATION DO
YOU HAVE TO SHARE?
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WHO?
AUDIENCE WHO ARE YOU TRYING TO REACH
WITH YOUR INFORMATION?
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WHO?
AUDIENCE • LITERACY
• NUMERIC/DATA LITERACY
• EDUCATION
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WHO?
AUDIENCE
JOB FUNCTION • POLICY MAKERS
• PROGRAM MANAGERS
• RESEARCHERS/ACADEMICS
• FUNDERS
• JOURNALISTS
• GENERAL PUBLIC
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WHY?
WHAT IS THEIR CONTEXT? WHO ARE THE STAKEHOLDERS?
WHAT INFO DO THEY NEED?
HOW WILL THEY USE IT?
WHY DO THEY CARE? WHAT IS THE OBJECTIVE?
* a note on politics and perspective
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WHO?
AUDIENCE EXAMPLE
Data available: population and urbanization in all countries
International Donor working in Urban Health
Objective: Effective use of funds for big impact
Data need: Where is urban health a big challenge? Where is there a service gap?
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FIND YOUR DATA STORY
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WHAT’S THE STORY?
LOOK FOR…
• Trends
• Ranges
• Patterns
• Comparisons
• Surprises
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WHAT’S THE STORY?
AN EXAMPLE
• Audience
• Context
• Story
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TIPS:
• Sort your
data different
ways
• Play with
graphs/charts
to find
patterns
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WHAT’S THE STORY?
ONCE YOU HAVE YOUR STORY CONCEPT • Tweak for your audience
• Write a short headline to summarize your story
• What do you want your audience to take
away? Is there an action point?
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An increase in child malnutrition in Egypt coincides with the Avian Flu outbreak of 2006. We hope to see this trend reverse in 2014.
WHAT’S THE STORY?
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BUILDING A VISUALIZATION THE BASICS
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AN EXAMPLE OF WHAT NOT TO DO
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AN EXAMPLE OF WHAT NOT TO DO #2
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WHAT WE DO WANT
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YOUR GOAL: SHARING A MESSAGE
THE USER EXPLORES YOUR DATA AND CAN DRAW THEIR OWN CONCLUSIONS.
YOU DECIDE THE STORY AND THE MESSAGE, GUIDING YOUR READER.
YOUR GOAL: PROMOTING EXPLORATION
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UNDERSTAND THE STORY YOU WANT TO TELL
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THINK ABOUT HOW YOU WANT TO VISUALIZE THAT STORY
CHART OR GRAPH?
INFOGRAPHIC?
FLOW CHART?
WHAT’S YOUR “AH HA!”
MOMENT FOR YOUR
AUDIENCE?
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START WITH A SKETCH
Sketch to start…
and you’ll work your way
to something beautiful.
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A STARTING GUIDE TO CHOOSING A CHART TYPE
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CHART CHOOSER 2.O (JUICE LABS)
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BEYOND THE BAR CHART: SOME IDEAS
tree map network map bubble chart
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JUST SAY NO TO PIE CHARTS
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DESIGN
CREATING FUNCTIONAL ART
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DRAW ATTENTION TO WHAT’S IMPORTANT: PREATTENTIVE ATTRIBUTES
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DRAW ATTENTION TO WHAT’S IMPORTANT: GESTALT PRINCIPLES
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COLOR | SHAPES | SIZE
MAPS | SHADING
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NUMBERS | SHORT TEXT
TIMELINE
MOBILE
TRADITIONAL GRAPHS AND CHARTS
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A GUT-CHECK FOR VIZ
JunkCharts Trifecta Checkup
What is the
practical
question?
What does
the data
say?
What does
the chart
say?
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A RANDOM EXAMPLE
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SKETCH TIME AN ACTIVITY
AN EXAMPLE
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INSTRUCTIONS
1. Find a partner.
2. Review your data tables.
3. Sketch your viz for the
audience that you’ve been
assigned.
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A STARTING GUIDE TO CHOOSING A CHART TYPE
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TAILORING YOUR DATA VIZ TO A SPECIFIC AUDIENCE AND CONTEXT AN EXAMPLE FROM THE TANZANIA 2010 DEMOGRAPHIC AND HEALTH SURVEY
ACTIVITY
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Example 1: A condom distributor in Tanzania wants to improve marketing and asks: who are the main users of condoms in Tanzania?
EXAMPLE 1
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VERSION 1
EXAMPLE 1
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VERSION 2
EXAMPLE 1
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ATTEMPT 3
EXAMPLE 1
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ATTEMPT 4
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AN ACTIVITY SHARING TIME
AN EXAMPLE
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DATA VIZ RESOURCES
PROCESS
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RESOURCES
WHERE TO FIND…
BOOKS & ARTICLES
EXAMPLES
TOOLS
COMMUNITIES
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BOOKS
PEOPLE TO READ
Stephen Few
Show Me the
Numbers
Edward Tufte
The Visual Display
of Quantitative
Information
Alberto Cairo
The Functional Art:
An Introduction to
Information
Graphics
Cole
Nussbaumer
Storytelling
withdata.com
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ARTICLES
NEW DIRECTIONS IN
EVALUATION
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TOOLS
COLOR-HEX
COLOR ORACLE
COLOR BREWER Simple tool for picking palettes
Originally for maps
Simulates color blindness
Great for checking your viz
Technical info on color models
Generates CSS codes
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TOOLS
INFOGR.AM
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TOOLS
PIKTOCHART
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TOOLS
EASEL.LY
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TOOLS
TABLEAU 8.1
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BUT A WORD OF CAUTION…
Just because you can built a graph doesn’t mean it’s the right fit.
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NETWORK MAPS
GEPHI
NODE XL
UCINET
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COMMUNITIES
DATAVIZHUB.CO
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COMMUNITIES
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QUESTIONS
APLIC