Data science for service change Presented by Datasf


Project Type: Flag “stuff” early



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Bog'liq
DataScienceSF-Full-Web

New Orleans Blight
Examples: Prioritize your backlog

Project Type: Flag “stuff” early


Service Issue:
Hard to predict future condition which leads to reactive services
How to detect?
Data Science
Service Change
Data Science Process:
Use historical and current data to create estimate ranges for potential outcomes
Service Change:
Use estimates to change and tailor intervention points
Result: Department provides pro-active early interventions
Examples: Use of force alerts in Charlotte
Excessive force have neg. impact on community
Service Issue
Data Science
Identify patterns to refine early warning
Service Change
Flagged recurring complaints
Result
Accuracy up 20%; False positives down 55%
Excessive force violations by police officers have huge negative repercussions in the community and for police careers.
The CMPD system increased accuracy by 15-20% while reducing false positives by 55%.
The department flagged recurring complaints against officers and notified supervisors when certain thresholds were reached.
The analytics team refined an early warning system, identifying patterns that often led to officers having negative interactions with the public.
Charlotte Police Violence
Service Issue
Data Science
Service Change
Result
In Chicago, a large number of children are thought to be exposed to lead paint in older houses.
Chicago reached the most vulnerable families before severe health effects from lead contamination manifest.
They conducted targeted inspections and provided remediation funding to homes identified in the model.
The analytics team built a model of exposure using data on homes, history of children’s exposure at that address and conditions of neighborhood.

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