SlideShare a Scribd company logo
1 of 14
Download to read offline
SafeWalk
Find your safest route for any time of day
Nishan Mann
Data Sources and Pipeline
NYC Open Data
Major Crimes
Dataset
2005-2016
(~1,000,000)
Algorithms
● Dijkstra Algorithm: between Start and End, find
the shortest path minimizing sum of weigths
● K-nearest neighours classification to associate
each crime with a road
d1
d4
d5
d2
d9
d3 d6
d8
d10
d12
d7
d11
Start
End
Cost Model for Road Lengths
Personal fear of crime Crime Costs depending
on hour and type of
crime
● De Sota Road, NY at 0300
App Landing Page
● Personal Fear of Crime: Rational, Almost rational, Borderline
irrational, Irrational, Paranoid
Brooklyn Safe Route at 0100
● Crime Avoidance Level : Neutral, Personal Fear of Crime: Rational
Cost Model Validation
Cost Model Validation (3rd
Party)
● Courtesy of Trulia
https://www.trulia.com/local/new-york-ny/tiles:1|
points:0_crime
Personal Fear of Crime: Rational
● Crime Avoidance Level: Vigilant
Personal Fear of Crime: Paranoid
● Crime Avoidance Level: Vigilant
About Me
● Physicist and motorcycle enthusiast
Insights
● NYC is pretty safe at any time of time of day
(Nice!)
● One’s perceived ‘fear’ of crime is one of the
major sources of route modifications
Demos!
● Brooklyn neutral Show time of day
● Port Harris Neutral vs Paranoid Show personal
fear of crime parameter
●
Exploratory Plot
● Time of day and type of crime matter

More Related Content

Viewers also liked (8)

"The Importance of Tolerating Offense"
"The Importance of Tolerating Offense"  "The Importance of Tolerating Offense"
"The Importance of Tolerating Offense"
 
1159400577
11594005771159400577
1159400577
 
Avendaño pereyra
Avendaño pereyraAvendaño pereyra
Avendaño pereyra
 
Da silva urbina
Da silva urbinaDa silva urbina
Da silva urbina
 
Anatomia aplicada a educaçao fisica
Anatomia aplicada a educaçao fisicaAnatomia aplicada a educaçao fisica
Anatomia aplicada a educaçao fisica
 
Herramientas de comunicación
Herramientas de comunicaciónHerramientas de comunicación
Herramientas de comunicación
 
Comprehensive intervention
Comprehensive interventionComprehensive intervention
Comprehensive intervention
 
ABHISHEK BISWAS PORTFOLIO
ABHISHEK BISWAS PORTFOLIOABHISHEK BISWAS PORTFOLIO
ABHISHEK BISWAS PORTFOLIO
 

Recently uploaded

In Riyadh ((+919101817206)) Cytotec kit @ Abortion Pills Saudi Arabia
In Riyadh ((+919101817206)) Cytotec kit @ Abortion Pills Saudi ArabiaIn Riyadh ((+919101817206)) Cytotec kit @ Abortion Pills Saudi Arabia
In Riyadh ((+919101817206)) Cytotec kit @ Abortion Pills Saudi Arabia
ahmedjiabur940
 
如何办理英国诺森比亚大学毕业证(NU毕业证书)成绩单原件一模一样
如何办理英国诺森比亚大学毕业证(NU毕业证书)成绩单原件一模一样如何办理英国诺森比亚大学毕业证(NU毕业证书)成绩单原件一模一样
如何办理英国诺森比亚大学毕业证(NU毕业证书)成绩单原件一模一样
wsppdmt
 
Simplify hybrid data integration at an enterprise scale. Integrate all your d...
Simplify hybrid data integration at an enterprise scale. Integrate all your d...Simplify hybrid data integration at an enterprise scale. Integrate all your d...
Simplify hybrid data integration at an enterprise scale. Integrate all your d...
varanasisatyanvesh
 
如何办理(UCLA毕业证书)加州大学洛杉矶分校毕业证成绩单学位证留信学历认证原件一样
如何办理(UCLA毕业证书)加州大学洛杉矶分校毕业证成绩单学位证留信学历认证原件一样如何办理(UCLA毕业证书)加州大学洛杉矶分校毕业证成绩单学位证留信学历认证原件一样
如何办理(UCLA毕业证书)加州大学洛杉矶分校毕业证成绩单学位证留信学历认证原件一样
jk0tkvfv
 
Abortion pills in Doha {{ QATAR }} +966572737505) Get Cytotec
Abortion pills in Doha {{ QATAR }} +966572737505) Get CytotecAbortion pills in Doha {{ QATAR }} +966572737505) Get Cytotec
Abortion pills in Doha {{ QATAR }} +966572737505) Get Cytotec
Abortion pills in Riyadh +966572737505 get cytotec
 
如何办理(Dalhousie毕业证书)达尔豪斯大学毕业证成绩单留信学历认证
如何办理(Dalhousie毕业证书)达尔豪斯大学毕业证成绩单留信学历认证如何办理(Dalhousie毕业证书)达尔豪斯大学毕业证成绩单留信学历认证
如何办理(Dalhousie毕业证书)达尔豪斯大学毕业证成绩单留信学历认证
zifhagzkk
 
如何办理(UPenn毕业证书)宾夕法尼亚大学毕业证成绩单本科硕士学位证留信学历认证
如何办理(UPenn毕业证书)宾夕法尼亚大学毕业证成绩单本科硕士学位证留信学历认证如何办理(UPenn毕业证书)宾夕法尼亚大学毕业证成绩单本科硕士学位证留信学历认证
如何办理(UPenn毕业证书)宾夕法尼亚大学毕业证成绩单本科硕士学位证留信学历认证
acoha1
 
Displacement, Velocity, Acceleration, and Second Derivatives
Displacement, Velocity, Acceleration, and Second DerivativesDisplacement, Velocity, Acceleration, and Second Derivatives
Displacement, Velocity, Acceleration, and Second Derivatives
23050636
 
Abortion pills in Jeddah | +966572737505 | Get Cytotec
Abortion pills in Jeddah | +966572737505 | Get CytotecAbortion pills in Jeddah | +966572737505 | Get Cytotec
Abortion pills in Jeddah | +966572737505 | Get Cytotec
Abortion pills in Riyadh +966572737505 get cytotec
 

Recently uploaded (20)

Pentesting_AI and security challenges of AI
Pentesting_AI and security challenges of AIPentesting_AI and security challenges of AI
Pentesting_AI and security challenges of AI
 
In Riyadh ((+919101817206)) Cytotec kit @ Abortion Pills Saudi Arabia
In Riyadh ((+919101817206)) Cytotec kit @ Abortion Pills Saudi ArabiaIn Riyadh ((+919101817206)) Cytotec kit @ Abortion Pills Saudi Arabia
In Riyadh ((+919101817206)) Cytotec kit @ Abortion Pills Saudi Arabia
 
Identify Customer Segments to Create Customer Offers for Each Segment - Appli...
Identify Customer Segments to Create Customer Offers for Each Segment - Appli...Identify Customer Segments to Create Customer Offers for Each Segment - Appli...
Identify Customer Segments to Create Customer Offers for Each Segment - Appli...
 
SAC 25 Final National, Regional & Local Angel Group Investing Insights 2024 0...
SAC 25 Final National, Regional & Local Angel Group Investing Insights 2024 0...SAC 25 Final National, Regional & Local Angel Group Investing Insights 2024 0...
SAC 25 Final National, Regional & Local Angel Group Investing Insights 2024 0...
 
DAA Assignment Solution.pdf is the best1
DAA Assignment Solution.pdf is the best1DAA Assignment Solution.pdf is the best1
DAA Assignment Solution.pdf is the best1
 
如何办理英国诺森比亚大学毕业证(NU毕业证书)成绩单原件一模一样
如何办理英国诺森比亚大学毕业证(NU毕业证书)成绩单原件一模一样如何办理英国诺森比亚大学毕业证(NU毕业证书)成绩单原件一模一样
如何办理英国诺森比亚大学毕业证(NU毕业证书)成绩单原件一模一样
 
Simplify hybrid data integration at an enterprise scale. Integrate all your d...
Simplify hybrid data integration at an enterprise scale. Integrate all your d...Simplify hybrid data integration at an enterprise scale. Integrate all your d...
Simplify hybrid data integration at an enterprise scale. Integrate all your d...
 
如何办理(UCLA毕业证书)加州大学洛杉矶分校毕业证成绩单学位证留信学历认证原件一样
如何办理(UCLA毕业证书)加州大学洛杉矶分校毕业证成绩单学位证留信学历认证原件一样如何办理(UCLA毕业证书)加州大学洛杉矶分校毕业证成绩单学位证留信学历认证原件一样
如何办理(UCLA毕业证书)加州大学洛杉矶分校毕业证成绩单学位证留信学历认证原件一样
 
Case Study 4 Where the cry of rebellion happen?
Case Study 4 Where the cry of rebellion happen?Case Study 4 Where the cry of rebellion happen?
Case Study 4 Where the cry of rebellion happen?
 
Abortion pills in Doha {{ QATAR }} +966572737505) Get Cytotec
Abortion pills in Doha {{ QATAR }} +966572737505) Get CytotecAbortion pills in Doha {{ QATAR }} +966572737505) Get Cytotec
Abortion pills in Doha {{ QATAR }} +966572737505) Get Cytotec
 
如何办理(Dalhousie毕业证书)达尔豪斯大学毕业证成绩单留信学历认证
如何办理(Dalhousie毕业证书)达尔豪斯大学毕业证成绩单留信学历认证如何办理(Dalhousie毕业证书)达尔豪斯大学毕业证成绩单留信学历认证
如何办理(Dalhousie毕业证书)达尔豪斯大学毕业证成绩单留信学历认证
 
Introduction to Statistics Presentation.pptx
Introduction to Statistics Presentation.pptxIntroduction to Statistics Presentation.pptx
Introduction to Statistics Presentation.pptx
 
Predictive Precipitation: Advanced Rain Forecasting Techniques
Predictive Precipitation: Advanced Rain Forecasting TechniquesPredictive Precipitation: Advanced Rain Forecasting Techniques
Predictive Precipitation: Advanced Rain Forecasting Techniques
 
Credit Card Fraud Detection: Safeguarding Transactions in the Digital Age
Credit Card Fraud Detection: Safeguarding Transactions in the Digital AgeCredit Card Fraud Detection: Safeguarding Transactions in the Digital Age
Credit Card Fraud Detection: Safeguarding Transactions in the Digital Age
 
如何办理(UPenn毕业证书)宾夕法尼亚大学毕业证成绩单本科硕士学位证留信学历认证
如何办理(UPenn毕业证书)宾夕法尼亚大学毕业证成绩单本科硕士学位证留信学历认证如何办理(UPenn毕业证书)宾夕法尼亚大学毕业证成绩单本科硕士学位证留信学历认证
如何办理(UPenn毕业证书)宾夕法尼亚大学毕业证成绩单本科硕士学位证留信学历认证
 
Displacement, Velocity, Acceleration, and Second Derivatives
Displacement, Velocity, Acceleration, and Second DerivativesDisplacement, Velocity, Acceleration, and Second Derivatives
Displacement, Velocity, Acceleration, and Second Derivatives
 
5CL-ADBA,5cladba, Chinese supplier, safety is guaranteed
5CL-ADBA,5cladba, Chinese supplier, safety is guaranteed5CL-ADBA,5cladba, Chinese supplier, safety is guaranteed
5CL-ADBA,5cladba, Chinese supplier, safety is guaranteed
 
👉 Tirunelveli Call Girls Service Just Call 🍑👄6378878445 🍑👄 Top Class Call Gir...
👉 Tirunelveli Call Girls Service Just Call 🍑👄6378878445 🍑👄 Top Class Call Gir...👉 Tirunelveli Call Girls Service Just Call 🍑👄6378878445 🍑👄 Top Class Call Gir...
👉 Tirunelveli Call Girls Service Just Call 🍑👄6378878445 🍑👄 Top Class Call Gir...
 
Ranking and Scoring Exercises for Research
Ranking and Scoring Exercises for ResearchRanking and Scoring Exercises for Research
Ranking and Scoring Exercises for Research
 
Abortion pills in Jeddah | +966572737505 | Get Cytotec
Abortion pills in Jeddah | +966572737505 | Get CytotecAbortion pills in Jeddah | +966572737505 | Get Cytotec
Abortion pills in Jeddah | +966572737505 | Get Cytotec
 

W4 fri