what hunchlab is…
DESCRIPTION
What HunchLab Is…. IS a new way to:. Look at crime density changes. Get notified about them. Get more information. NOT a way to understand Igor. Police Captain as Data Server. A Pin Map. A Visualization Solution Becomes a Problem. 1.5 million incidents per year. - PowerPoint PPT PresentationTRANSCRIPT
Slide 1
What HunchLab Is….
NOT a way to understand Igor
• Look at crime density changes• Get notified about them• Get more information
IS a new way to:
Slide 2
Police Captain as Data Server
Slide 3
A Pin Map
Slide 4
A Visualization Solution Becomes a Problem
• 1.5 million incidents per year• Around 40 crime classifications• Approximately 6900 sworn officers
Slide 5
A Classic Problem – The “Data Tornado”
By Golly Toto, it’s a twister!
Slide 6
Where Do They Clump?
From http://data.baltimoresun.com/crime/anne_arundel/accident-person-injured/?mode=heat (not HunchLab)
Slide 7
?
What We Really Want to Know – How are the Densities CHANGING?
Crimes 8/16/2008 – 8/22/2008
Crimes 8/23/2008 – 8/30/2008
Slide 8
How Do We Figure out Density Change?
•Take an area or *many* areas to evaluate
• Use statistics to compare historical norms to current densities• But… how?
• Call crimes balls in a bag.
Slide 9
That’s Right, Balls In a BagThat’s Right, Balls in a Bag
A bag has 20 black balls and 80 white balls. Choose 5 at random. What is the chance of getting 3 black balls?
Vary number of balls chosen and you get a
Hypergeometric Distribution
Slide 10
Crimes -> Balls -> ProbabilitiesCrimes Balls Probabilities
Slide 11
Lather, Rinse, Repeat Lather, Rinse, Repeat
Slide 12
Enter HunchLa
b
Slide 13
Using HunchLab - Notification
Hmmmm…
Slide 14
Using HunchLab – Results Viewing
Slide 15
Using HunchLab – Graphing
Sixteen you say? By Jove!
Slide 16
Using HunchLab – Drill Down
7001 Bridgeport Wy W?Of
Course!
Slide 17
Using HunchLab – Hunch Creation
Our villain is probably active here too! Let’s check…
Slide 18
Using HunchLab – Mass Hunch Creation
Slide 19
Using HunchLab – Search
You’ve been working hard Watson…
Slide 20
Future…
Thanks to
Andy Warhol