cartagena data festival | telling stories with data 2015 04-21
TRANSCRIPT
April, 2015 · Ulrich Atz · @statshero
Telling Stories with Data
Introductions
• Your name • Where you’ve come from • Role • Your aims/expectations for this
session.
• You’ll have an overview of how people are telling stories
• You have a sense of the raw work of exploring and understanding a dataset
• You know some inception points for finding a story
Outcomes
Discussion
What is data for you?
EXAMPLES OF DATA JOURNALSIM
http://www.theguardian.com/news/datablog/2012/may/24/data-journalism-punk
http://ampp3d.mirror.co.uk/
Data is a source
Two main methods of using data as a source
1. Story first – data used to enhance, fact check, dig deeper
2. Data first – story found/presented through data analysis
Thanks to David Ottewell Head of Data Journalism Trinity Mirror (Regionals) for permission in using this slide
Thanks to David Ottewell Head of Data Journalism Trinity Mirror (Regionals) for permission in using this slide
Thanks to David Ottewell Head of Data Journalism Trinity Mirror (Regionals) for permission in using this slide
Using data as a source ≠ must have visualisation
http://www.ft.com/cms/s/0/4b1a2f64-2048-11e3-9a9a-00144feab7de.html
Using data as a source ≠ (necessarily) big investigation
http://ampp3d.mirror.co.uk/2014/02/26/the-eu-could-ban-roaming-charges-completely-this-year/
http://aviation.live.kiln.it/
Exercise: Find a story http://bit.ly/odi-titanic
http://en.wikipedia.org/wiki/File:Stöwer_Titanic.jpg
1. Explore the data (here: follow my speed run)
Exercise
Story inception points
1. Create a ranking 2. Compare groups 3. Use sum/average/min/max functions 4. Think local 5. Look for anomalies in the data
1. Explore the data (here: follow my speed run) 2. Collect three ideas for finding a story
q Choose one story you want to tellq Create a headlineq (Bonus: Create a chart, e.g. with
datawrapper.de)
Exercise
Thank you!
Our top tip: BBC Radio 4 / PodcastMore or Less
http://www.bbc.co.uk/podcasts/series/moreorless
BONUS SLIDES: HOW (NOT) TO
VISUALISE YOUR DATA
Non-traditional use of chart types
Arbitrariness of double axes
Charts that use ALL THE DATA
Selective use of data
http://ampp3d.mirror.co.uk/2014/05/16/11-mistakes-that-will-drive-data-nerds-crazy/
Finding a meaningless correlation
http://www.tylervigen.com/
Y-axis does not start at zero