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My Favorite Pie
(Chart)
Improve Your Data Vizualization
Markus Ehrenmüller-Jensen,
Business Intelligence Architect, runtastic.com
Please silence
cell phones
Explore Everything PASS Has to Offer
FREE ONLINE WEBINAR EVENTS FREE 1-DAY LOCAL TRAINING EVENTS
LOCAL USER GROUPS
AROUND THE WORLD
ONLINE SPECIAL INTEREST
USER GROUPS
BUSINESS ANALYTICS TRAINING
VOLUNTEERING OPPORTUNITIES
PASS COMMUNITY NEWSLETTER
BA INSIGHTS NEWSLETTERFREE ONLINE RESOURCES
Session Evaluations
ways to access
Go to passSummit.com Download the GuideBook App
and search: PASS Summit 2016
Follow the QR code link displayed
on session signage throughout the
conference venue and in the
program guide
Submit by 5pm
Friday November 6th to
WIN prizes
Your feedback is
important and valuable. 3
Markus
Ehrenmüller-Jensen
BI Architect, runtastic.com
Microsoft Certified Solution Expert (MCSE)
Chapter Leader PASS Austria
Organizer SQL Saturday Vienna
markus.ehrenmueller@gmail.com
sqlederhose.wordpress.com
/markus-ehrenmueller @MEhrenmueller
The Good, The Bad and The Pie Chart
Rules
Demos
Agenda
The Good, …
The Bad, …
… and The Pie Chart
From Data to Action
Data
+ Context
+/- Pertinence
= Information
* Presentation
= Insight
1,234,567.89
Sales in EUR
1.2 Mio
Line Chart
Declining Sales
*
 Action Increase Marketing
1. Use proper chart-type.
2. Display as few information as possible,
as much information as necessary.
3. Encode accurately.
4. Highlight important things.
5. Calculate measures.
You shall …
reducing
enriching
1.Use proper chart-type.
Table
Bar/Columns
Line
Pie
Portfolio / Scatter
Map
Compare individual values
Precise values
Detail and summary
Several scales/units
vs. Chart
Patterns, Trend, Exceptions
Relationships
Table
Compare Values
Ranking
Part of the whole
Bar
Histogram
Column
Over Time
Bar/Column
Continuous values
Over time
Deviation
Correlation
Do not use for
Nominales (North, East, …)
Ordinales (1, 2, 3, …)
(use Bar/Column instead)
Line
0
20,000
40,000
60,000
80,000
100,000
120,000
140,000
160,000
Pie
Majority of (two) values
Many values
Two or three
measures
simultaneously
Spikes
Portfolio/Scatter
Heatmap
Mass of data points
Do not show
Simple data
Map
Source: http://www.salzburg24.at/2014/10/2014-10-06-13_37_45-11.-Runde-RBS-vs.-WRN-Heatmap.jpgSource: http://www.gsd.harvard.edu/gis/manual/lookup/
27
Reduce “ink factor”
Information only
No useless decoration
Use proper scaling
Precision, mio, time, …
2.Display as few information as possible,
as much information as necessary.
Sorting order
Zero-based Charts
Reduce Colors
Meaningful
Shades of grey
Colorblindness (eg. vischeck.com)
www.colorbrewer.org
3.Encode accurately.
The Bad - Original
The Bad - Deuteranope
The Bad - Protanope
The Bad - Tritanope
The Pie Chart - Original
The Pie Chart - Deuteranope
The Pie Chart - Protanope
The Pie Chart - Tritanope
Text
Color
Symbol
Spot
Data Bar
Icon-Set
4.Highlight important things.
Display calculated values
5.Calculate measures.
Demo
The Good, …
The Bad, …
… and The Pie Chart
Solution
North America
Europe
Pacific
0.00% 0.50% 1.00% 1.50% 2.00%
Discount Pct
Check used chart types
Reduce your reports
Enrich your reports
Call to Action
1. Use proper chart-type.
2. Display as few information as possible,
as much information as necessary.
3. Encode accurately.
4. Highlight important things.
5. Calculate measures.
Wrap up
reducing
enriching
Questions?
Markus Ehrenmüller-Jensen
Business Intelligence Architect
runtastic.com
Microsoft Certified Solution Expert (MCSE)
Chapter Leader PASS Austria
Organizer SQL Saturday Vienna
markus.ehrenmueller@gmail.com
sqlederhose.wordpress.com
@MEhrenmueller
/markus-
ehrenmueller
Session Evaluations
ways to access
Go to passSummit.com Download the GuideBook App
and search: PASS Summit 2016
Follow the QR code link displayed
on session signage throughout the
conference venue and in the
program guide
Submit by 5pm
Friday November 6th to
WIN prizes
Your feedback is
important and valuable. 3
Thank You
Learn more from
Markus Ehrenmüller-Jensen
markus.ehrenmueller@gmail.com
or follow @MEhrenmueller

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My Favorite Pie (Chart)