Post on 08-May-2015
description
Truth as a moving target
Henk van Ess@henkvaness
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
SRF asked me:
How do you ruinyour name in
data journalism?
Tuesday, July 2, 13
Tuesday, July 2, 13
Today
Tuesday, July 2, 13
Today
1. Bad data journalism:
Tuesday, July 2, 13
Today
1. Bad data journalism:
a. false visualisation
Tuesday, July 2, 13
Today
1. Bad data journalism:
a. false visualisation
b. without a story
Tuesday, July 2, 13
Today
1. Bad data journalism:
a. false visualisation
b. without a story
c. data out of context
Tuesday, July 2, 13
Today
1. Bad data journalism:
a. false visualisation
b. without a story
c. data out of context
2. What’s worse than bad DJ....
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
1. ‘Bad’ data journalism
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
Tuesday, July 2, 13
A. Datajournalismwith false visualisation
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
Our world
Mercator Projection
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Data Do and Don’ts - Henk van Ess
Probably our real world
Gall–Peters projection
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
Lesson
There is no absolute truthSo be transparent.
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
Tuesday, July 2, 13
B. Datajournalismwithout a story
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http://twitter.github.io/interactive/andes/
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
Lesson
Data journalism is a way to make a story; it’s not the story itself
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C. Data out of context
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
Mein Gott!
Fake data
Eating Swiss cheese increasesrisk of stomach cancer with 50%
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
How badis that?
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Only 6 out of 100 people develop this cancer.
CONCEIVED BY Edward Fidgeon-Kavanagh
IS THIS SIGNIFICANT?
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
What does a 50% increase mean?
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An increase of 50% means this:
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
Why bother?
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
SO:
Fake data
Eating Swiss cheese increasesrisk of stomach cancer with 50%
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
Is the same as:
Fake data
3 extra people out of 100
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
Lesson
Learn about statistics.
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
My three favorite statistic books
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
http://interactivetimeline.com/1413/datajournalism/
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
2. What’s worsethan bad
data journalism?
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
This is not a quote of Goethe so you shouldn’t fall asleep now
2. WORSE THAN BAD DJ
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Data Do and Don’ts - Henk van Ess
Elderly home in Hamburg
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
3 extra people out of 100
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No story, right?
Number of accidents dropped. Yawn!
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Back story
The home never publicized statistics before and waitedtill the momentthings went well
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
Tuesday, July 2, 13
Percentage of accidents: 15% in both years
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Data Do and Don’ts - Henk van Ess
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0.15 versus 0.06
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DATANEEDSHUMANS
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DATANEEDSYOU
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Data Do and Don’ts - Henk van Ess
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Can You Imagine more missing & relevant data?
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Data Do and Don’ts - Henk van Ess
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Data Do and Don’ts - Henk van Ess
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What is the best story? Depends on your target group.
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
Back to the question?
How do you ruinyour name?
By NOT doing data journalism
Tuesday, July 2, 13
Data Do and Don’ts - Henk van Ess
By publishing this....
Tuesday, July 2, 13
DANKE@henkvaness
http://www.slideshare.net/searchbistro
Tuesday, July 2, 13