Joel Grus@joelgrusChief Scientist, VoloMetrix
Secret: E31 is our favorite fire truck!
“Seattle Real-Time 911”
Scraped 9 years of data (2004-2012)
Truck Types• Engines• Medic and Aid• Ladder trucks• Battalion Chiefs• (Others)
Secret: Fire trucks hang out with the downtroddenCheck-ins   Location4,580       King Co Jail3,780       Union Gospel Miss...
Secret: More than 75% ofincidents are medical not firesType                        # of IncidentsAid Response             ...
Secret: Fire Trucks Like the Nightlife12 1   2   3   4   5   6   7   8   9   10 11 12   1   2   3   4   5   6   7   8   9 ...
Seasonality Secrets50%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%-...
Secret: My geocoding worked!
Not a secret: Seattle drivers are terrible“Auto Accident” check-ins   “Assault” check-ins   “Fire” check-ins
Secret: 62% of check-ins are single truck
Secret: Geography is Destiny
Dates and Parties
Date Secrets
Party Secrets
TruckRank
Avg # Of Trucks at my Check-ins   12                                  10                                  8               ...
Future Directions• Changes over time?• Why are there no “cat stuck in tree” incidents in  the data?• Investigate other sec...
Thanks!•   More info in blog post on joelgrus.com•   Code is on github.com/joelgrus•   Data is not posted but am glad to s...
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Secrets of Fire Truck Society - Slides for Ignite Strata 2013

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These are the slides for my talk "Secrets of Fire Truck Society" at the Ignite at Strata 2013 in Santa Clara.

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Secrets of Fire Truck Society - Slides for Ignite Strata 2013

  1. 1. Joel Grus@joelgrusChief 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 downtroddenCheck-ins Location4,580 King Co Jail3,780 Union Gospel Mission3,499 DESC Shelter2,723 DESC Morrison2,697 Frye Apartments2,597 Noel House2,367 SHA Jefferson Terrace2,313 Four Freedoms House2,172 Mt St Vincent Retirement2,099 Harbor House
  7. 7. Secret: More than 75% ofincidents are medical not firesType # of IncidentsAid Response 341kMedic Response 159kAuto Fire Alarm 47kMotor Vehicle Accident 23kAid Response Yellow 15kAuto Fire Alarm Resd 13kMedic Response 7 Per Rule 10k… …
  8. 8. Secret: Fire Trucks Like the Nightlife12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11AM PM PM
  9. 9. Seasonality Secrets50%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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