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Secrets of Fire Truck Society - Slides for Ignite Strata 2013

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Secrets of Fire Truck Society - Slides for Ignite Strata 2013

  1. 1. Joel Grus @joelgrus Chief Scientist, VoloMetrix
  2. 2. Secret: E31 is our favorite fire truck!
  3. 3. “Seattle Real-Time 911”
  4. 4. Scraped 9 years of data (2004-2012)
  5. 5. Truck Types • Engines • Medic and Aid • Ladder trucks • Battalion Chiefs • (Others)
  6. 6. Secret: Fire trucks hang out with the downtrodden Check-ins Location 4,580 King Co Jail 3,780 Union Gospel Mission 3,499 DESC Shelter 2,723 DESC Morrison 2,697 Frye Apartments 2,597 Noel House 2,367 SHA Jefferson Terrace 2,313 Four Freedoms House 2,172 Mt St Vincent Retirement 2,099 Harbor House
  7. 7. Secret: More than 75% of incidents are medical not fires Type # of Incidents Aid Response 341k Medic Response 159k Auto Fire Alarm 47k Motor Vehicle Accident 23k Aid Response Yellow 15k Auto Fire Alarm Resd 13k Medic Response 7 Per Rule 10k … …
  8. 8. Secret: Fire Trucks Like the Nightlife 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 AM PM PM
  9. 9. Seasonality Secrets 50% 40% 30% 20% 10% 0% 1/1 2/1 3/1 4/1 5/1 6/1 7/1 8/1 9/1 10/1 11/1 12/1 -10% -20% -30%
  10. 10. Secret: My geocoding worked!
  11. 11. Not a secret: Seattle drivers are terrible “Auto Accident” check-ins “Assault” check-ins “Fire” check-ins
  12. 12. Secret: 62% of check-ins are single truck
  13. 13. Secret: Geography is Destiny
  14. 14. Dates and Parties
  15. 15. Date Secrets
  16. 16. Party Secrets
  17. 17. TruckRank
  18. 18. Avg # Of Trucks at my Check-ins 12 10 8 6 A B E 4 L M 2 0 0.08 0.09 0.1 0.11 0.12 0.13 TruckRank
  19. 19. Future Directions • Changes over time? • Why are there no “cat stuck in tree” incidents in the data? • Investigate other secrets: – Police cars – Garbage trucks – Stuffed hippos* * My daughter suggested this one
  20. 20. Thanks! • More info in blog post on joelgrus.com • Code is on github.com/joelgrus • Data is not posted but am glad to share if you ask nicely • Will be around for rest of Strata, so come say “hi” • Check out VoloMetrix, we do sort of similar stuff (for companies, not fire trucks) • Follow me on Twitter: @joelgrus

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