3. KEEPITSIMPLE
Objectives
• Introduce Storytelling and how it
ensures that your data reach its
maximum value
• Present a logical and systematic way
to choose a graphical representation
of the data
Analytics Meetup Geneva 16 May 2018 3
4. KEEPITSIMPLE
Storytelling
DO
• Supply relevant context
• Provide insights meaningful to
the stakeholders
• Explain the «Why ?» instead of
the «What ?»
DON’T
• Let stakeholders interpret the
data freely
• Fit your data to your story
• Only provide visual
representations
Analytics Meetup Geneva 16 May 2018 4
«The fact is that stories stick and numbers don’t»
Kimberley Nevala
5. KEEPITSIMPLE
Storytelling – What we can do
5Analytics Meetup Geneva 16 May 2018
United States presidential primary elections, 2016
Only 9% of America Chose Trump and Clinton as the Nominees
Source : New-York Times
https://www.nytimes.com/interactive/2016/08/01/us/elections/nine-percent-of-america-selected-trump-and-clinton.html?_r=1
6. KEEPITSIMPLE
Storytelling – What we can do
6
Source : New-York Times
https://www.nytimes.com/interactive/2016/08/01/us/elections/nine-percent-of-america-selected-trump-and-clinton.html?_r=1
Analytics Meetup Geneva 16 May 2018
7. KEEPITSIMPLE
Storytelling – What we can do
7
Source : New-York Times
https://www.nytimes.com/interactive/2016/08/01/us/elections/nine-percent-of-america-selected-trump-and-clinton.html?_r=1
Analytics Meetup Geneva 16 May 2018
8. KEEPITSIMPLE
Storytelling – What we can do
8
Source : New-York Times
https://www.nytimes.com/interactive/2016/08/01/us/elections/nine-percent-of-america-selected-trump-and-clinton.html?_r=1
Analytics Meetup Geneva 16 May 2018
9. KEEPITSIMPLE
Storytelling – What we can do
9
Source : New-York Times
https://www.nytimes.com/interactive/2016/08/01/us/elections/nine-percent-of-america-selected-trump-and-clinton.html?_r=1
Analytics Meetup Geneva 16 May 2018
10. KEEPITSIMPLE
Storytelling – What we can do
10
Source : New-York Times
https://www.nytimes.com/interactive/2016/08/01/us/elections/nine-percent-of-america-selected-trump-and-clinton.html?_r=1
Analytics Meetup Geneva 16 May 2018
11. KEEPITSIMPLE
Storytelling – What we can do
11
Source : New-York Times
https://www.nytimes.com/interactive/2016/08/01/us/elections/nine-percent-of-america-selected-trump-and-clinton.html?_r=1
Analytics Meetup Geneva 16 May 2018
12. KEEPITSIMPLE
Storytelling – What we can do
12
Source : New-York Times
https://www.nytimes.com/interactive/2016/08/01/us/elections/nine-percent-of-america-selected-trump-and-clinton.html?_r=1
Analytics Meetup Geneva 16 May 2018
24. KEEPITSIMPLE
Using a Treemap
Analytics Meetup Geneva 16 May 2018 24
When use it ?
• To display up to 2
quantitative variables
arranged in a hierarchy
Advantages
• Well suited to find patterns, clusters,
gaps or outliers in large data sets
• Particularly useful when data can be
grouped into hierarchies
• Able to point out important values
in a matter of seconds
Limitations
• Large data sets with equally sized
nodes
• Time series, negative values
25. KEEPITSIMPLE
Using a Box Plot
Analytics Meetup Geneva 16 May 2018 25
When use it ?
• Show the distribution of
a dataset
Advantages
• Able to handle large datasets easily
• Provide indications about the
datasets distribution and symmetry
Limitations
• Limited usage and comprehension
outside of experts community
• Exact value of the data is lost
26. KEEPITSIMPLE
Using a Map
Analytics Meetup Geneva 16 May 2018 26
When use it ?
• Spatial representation
and business
information together
Advantages
• Maps bring data to life
• Make it easier for business users to
identify the significant trends and
issues contained in most reports and
dashboards
Limitations
• Unable to show time series, unless
animated
27. KEEPITSIMPLE
In Review
Storytelling
• Is needed to provide contextualisation and insights to stakeholders
• Has to fit the data
Choosing the right chart
• Can be automated by following a number of rules
Both
• Enhance the value of the data
• Ensure the stakeholders can obtain the same insights as the analyst
27Analytics Meetup Geneva 16 May 2018
28. KEEPITSIMPLE
Where To Learn More
Books:
• Storytelling with Data: A Data Visualization Guide for Business Professionals (Cole Nussbaumer
Knaflic)
• Cool Infographics: Effective Communication with Data Visualization and Design (Randy Krum)
• Visual Insights: A Practical Guide to Making Sense of Data (David E. Polley)
Websites:
https://www.edx.org/learn/data-visualization (Data Visualization Courses)
https://datavizcatalogue.com/search.html
https://www.oracle.com/solutions/business-analytics/data-visualization/library.html
https://it.toolbox.com/blogs/maryannrichardson/why-data-storytelling-083116
http://extremepresentation.typepad.com
28Analytics Meetup Geneva 16 May 2018