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Tyler Dahlberg of Azavea takes us through the origin of spatial analysis, how it works, real-world examples of how it has transformed decision making processes and data display, and how you can get started. Spatial analysis can help you or your organization simplify complex patterns, improve decision-making and tell your story more effectively.
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Mapping Insights You Never Even Knew You Had
Civic Software for the Web
B Corporation• Civic/Social Impact• Summer of Maps• Pro Bono Program• Donate share of profits
Research-Driven• 10% Research Program• Academic Collaborations• Open Source• Open Data
Who are you?
“inform the public”
“answer difficult questions with data”
“create more engaged communities”
Improve people’s lives through information
and impact.
Spatial analysis helps you:
simplify complex patterns
make better decisions
tell a compelling story
You are decidersYou are storytellers
Your challenge:
If you’re not keeping location data you’re
hamstringing yourself
Fortunately…
Many of you are already recording spatial data!
What is spatial analysis?
Nobody knew how cholera was being spread
Invented spatial analysis
Invented epidemiology
Debunked “bad air”
Pinpointed the source
John never drank un-boiled water again
How does spatial analysis work?
Halfway point:Any
questions?
Case Studies
Have you ever had a bike stolen?
Stolen: July 2010
Stolen: May 2013
“…effect change that makes our streets safer for everyone.”
10,747 stolen: 1/1/2007 to 12/31/2012
43,000 bikes$15 million in value
5 years:4,819 bike+auto crashes
36 fatalities
Communicated data
Created a public conversation
Allocated resources to critical streets
Has someone close to you ever had to use food stamps?
18,000 people that qualify for SNAP
benefits in Philadelphiathat are NOT using them
“…build a community where all people have the food they need
to lead healthy lives.”
Where are the most vulnerable populations?
Where are the best places to spend advertising money?
Found target populations
Pinpointed advertising
Found underserved areas
Have you ever worried about the quality of
your child’s education?
“…dedicated to ensuring educational opportunity for
every child in our community.”
Philadelphia has 101,053 children under 5 years old
2,052 Early Childhood programs
Only 14% considered high-quality
How do you prioritize?
Children under 5
Children under 5 w/single mother or father
Children under 5 living in poverty
Children 3-4 not enrolled in Pre-K
New Mothers aged 15-19
Unmarried mothers 15-19
Showed disparity in High-quality programs
Created reports for each council district
Created index of risk from Census data
Won $1 million in grants
This would have been
very difficult without
spatial data.
You have amazing insights
already. Start thinking spatially.
6 Ways to get started:
1. Take the “Maps and the Geospatial
Revolution” class at:
www.coursera.org/course/maps
2. Collect location data on every single thing
your organization does.
3. Get a discount ArcGIS license at
TechSoup.orgor download QGIS for
free.
4. Play with some geodata in CartoDB.
opendataphilly.org
5. Check out the mapping tools at:
selection.datavisualization.ch
6. Join a Meetup group in your city, like Maptime
Spatial analysis helps you:
simplify complex patterns
make better decisions
tell a compelling story
Maps are storytelling tools.
You all have a story worth telling.
Thanks to:Knight Digital Media Center
Vikki Porter
Michele McLellan
Melissa Kaplan
Any questions?Tyler Dahlberg
Geospatial Solutions Specialist, Azaveatdahlberg@azavea.com@geotyler
Bitly Bundle:bit.ly/1uoxxTU
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