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Where is the most criminal area in Boston and more.pdf

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Where is the most criminal area in Boston and more.pdf

Where is the Most Criminal Area in Boston? (+ More):
Data Downloaded on 16 Nov 2022 from:
https://data.boston.gov/dataset/streetlight-locations
https://data.boston.gov/dataset/crime-incident-reports-august-2015-to-date-source-new-system
https://data.boston.gov/dataset/city-of-boston-managed-streets

Where is the Most Criminal Area in Boston? (+ More):
Data Downloaded on 16 Nov 2022 from:
https://data.boston.gov/dataset/streetlight-locations
https://data.boston.gov/dataset/crime-incident-reports-august-2015-to-date-source-new-system
https://data.boston.gov/dataset/city-of-boston-managed-streets

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Where is the most criminal area in Boston and more.pdf

  1. 1. Where is the Most Criminal Area in Boston (+ More) Naoya Morishita
  2. 2. Table of Contents • Introduction • Methods • Result • Conclusion
  3. 3. Table of Contents • Introduction • Methods • Result • Conclusion
  4. 4. • Purpose of this study • Visualize the Safe Area in Boston • Evaluate if a Theory is True in Boston → To Know where is Safe to Walk during Mainly Night Time
  5. 5. Chalfin, A., Hansen, B., Lerner, J., & Parker, L. (2022). Reducing crime through environmental design: Evidence from a randomized experiment of street lighting in New York City. Journal of Quantitative Criminology, 38(1), 127-157. No. of Lights Increase -> No. of Crime Decrease?
  6. 6. • Research Questions 1. Where is the Criminal Area? 2. Does the Lights Prevent Crimes in Boston?
  7. 7. Table of Contents • Introduction • Methods • Result • Conclusion
  8. 8. • Data • STREETLIGHT LOCATIONS: Light Data • https://data.boston.gov/dataset/streetlight-locations • Downloaded: 21 Nov 2022 • CRIME INCIDENT REPORTS (AUGUST 2015 - TO DATE) (SOURCE: NEW SYSTEM): Crime Data • https://data.boston.gov/dataset/crime-incident-reports-august-2015-to-date- source-new-system • Downloaded: 21 Nov 2022 • Data in 2021 (Crime_2021) & 2018 (Crime_2018) • CITY OF BOSTON MANAGED STREETS: Road Data • https://data.boston.gov/dataset/city-of-boston-managed-streets • Downloaded: 21 Nov 2022
  9. 9. Study Area
  10. 10. Road Crime_2021 Road_Buffer Crime_Count_ 2021 Criminal Area in Boston Count Points
  11. 11. Crime_2018 Light Dist Distance to Nearest Point Crime_2018 Light 50m_Grid Crime_Light_ Number Correlation Coefficient Count Points Python No. of Lights Increase -> No. of Crime Decrease?
  12. 12. Table of Contents • Introduction • Methods • Result • Conclusion
  13. 13. Fig 1 Criminal Street
  14. 14. Fig 2 Distance from Nearest Lights from Crime Points (Unit: meter) Mean 9.5 Median 8.7 Minimum 1.1 Maximum 54.5 SD 5.0
  15. 15. Fig 3 Number of Crimes in 50m Grid (2018)
  16. 16. Fig 3 Number of Crimes in 50m Grid (2018)
  17. 17. Fig 5 Scatter plot of Number of Lights and Crimes on a street
  18. 18. Fig 6 Code and Correlation Coefficient
  19. 19. Table of Contents • Introduction • Methods • Result • Conclusion
  20. 20. • Research Questions 1. Where is the Criminal Area? 2. Does the Lights Prevent Crimes in Boston?
  21. 21. • Criminal Area in 2021 was East of Boston Common • Numbers of Crime and Lights/ Street has NO Correlation.
  22. 22. Reference Chalfin, A., Hansen, B., Lerner, J., & Parker, L. (2022). Reducing crime through environmental design: Evidence from a randomized experiment of street lighting in New York City. Journal of Quantitative Criminology, 38(1), 127-157.

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