Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Safe Dining Talk
Search
ahmad0510
February 17, 2016
Technology
0
27
Safe Dining Talk
Recommender for safe eating places in your neighborhood
ahmad0510
February 17, 2016
Tweet
Share
More Decks by ahmad0510
See All by ahmad0510
Safe Dining Talk
ahmad0510
0
41
Safe Dining
ahmad0510
1
26
Safe Dining
ahmad0510
0
32
Safe Dining
ahmad0510
0
30
Safe Dining
ahmad0510
0
40
Safe Dining
ahmad0510
1
30
SafeDining
ahmad0510
0
39
SafeDining2
ahmad0510
0
24
Safedining3
ahmad0510
0
35
Other Decks in Technology
See All in Technology
M5stackで使用できるpHセンサの開発
shinrinakamura
0
110
ゼロから始めるVue.jsコミュニティ貢献 / first-vuejs-community-contribution-link-and-motivation
lmi
1
150
AWS学習者向けにAzureの解説スライドを作成した話
handy
3
190
IPUT App Dev. Co. -Overview 2024/4
iputapp
0
120
Android Target SDK 35 (Android 15) 対応の概要
akkie76
0
150
The AI Revolution Will Not Be Monopolized: Behind the scenes
inesmontani
PRO
1
160
コードや知識を組み込む / Incorporate Code and knowledge
ks91
PRO
0
140
require(ESM)とECMAScript仕様
uhyo
4
960
Babylon.jsと色々なものを組み合わせる:ブラウザのAPIやガジェットや2D描画ライブラリなど / Babylon.js 勉強会 vol.3
you
PRO
0
160
Next.js に疲れた私は Vue3 に癒やされた
akagire
0
130
web-application-security
matsuihidetoshi
1
190
LangSmith入門―トレース/評価/プロンプト管理などを担うLLMアプリ開発プラットフォーム
os1ma
5
700
Featured
See All Featured
Writing Fast Ruby
sferik
622
60k
XXLCSS - How to scale CSS and keep your sanity
sugarenia
242
1.2M
Web Components: a chance to create the future
zenorocha
306
41k
Optimizing for Happiness
mojombo
370
69k
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
smashingmag
245
20k
ピンチをチャンスに:未来をつくるプロダクトロードマップ #pmconf2020
aki_iinuma
79
43k
Testing 201, or: Great Expectations
jmmastey
30
6.4k
GitHub's CSS Performance
jonrohan
1025
450k
YesSQL, Process and Tooling at Scale
rocio
165
13k
Principles of Awesome APIs and How to Build Them.
keavy
121
16k
RailsConf 2023
tenderlove
8
550
Done Done
chrislema
178
15k
Transcript
Ahmad Haider Insight Data Science 2016
Personal Story What if I could find which restaurants are
safe and which are not? Mugged @Parking lot ! L Hungry for Pizza! Closest pizza location
Makes Real-Time Recommendations for Safety Ratings Restaurants in a Neighborhood
SafeDining app
I want to eat Pizza at 2+ rated restaurant within
3 miles of my location Under the hood…
I want to eat Pizza at 2+ rated restaurant within
3 miles of my location
I want to eat Pizza at 2+ rated restaurant within
3 miles of my location
I want to eat Pizza at 2+ rated restaurant within
3 miles of my location p1 p2 p3 p4 p5 p1 p2 p3 p4 p1 p2 p1 p2 p3 p4 p5 p6 p7 p8 p1 Crime Location Crime Probability
I want to eat Pizza at 2+ rated restaurant within
3 miles of my location p1 p2 p3 p4 p5 p1 p2 p3 p4 p1 p2 p1 p2 p3 p4 p5 p6 p7 p8 p1 Crime Location Crime Probability 1. pRest 1. pRest 1. pRest 1. pRest pRest Crime Probability at restaurant
I want to eat Pizza at 2+ rated restaurant within
3 miles of my location p1 p2 p3 p4 p5 p1 p2 p3 p4 p1 p2 p1 p2 p3 p4 p5 p6 p7 p8 p1 Crime Location Crime Probability 1. pRest 1. pRest 1. pRest 1. pRest pRest Crime Probability at restaurant pRest pRest pRest pRest pRest pRest pRest
I want to eat Pizza at 2+ rated restaurant within
3 miles of my location p1 p2 p3 p4 p5 p1 p2 p3 p4 p1 p2 p1 p2 p3 p4 p5 p6 p7 p8 p1 Crime Location Crime Probability 1. pRest 1. pRest 1. pRest 1. pRest pRest Crime Probability at restaurant pRest pRest pRest pRest pRest pRest pRest 2. Relative Safety Index 2. Relative Safety Index 2. Relative Safety Index 2. Relative Safety Index
Workflow Crime dataset Yelp API Preprocessing + Cleaning Defining classification
problem Feature Engineering Choosing a model Validation 10-fold cross validation Cross entropy loss measure
Multiclass Classification Predict the probability of crime at any
hour at any given location Features: 35 -- Location (Lat., Long. etc.) , Time (dd, wk, mm, yyyy) Labels: 24 classes (hour of day) Logistic Regression Cross entropy loss measure = 2.95 Algorithm
Theft Residential Burglary Robbery Assault Source: mylocalcrime.com Validation My analysis
mylocalcrime.com
• Ahmad Haider • PhD thesis: “Measurement of energy landscapes
of biological interactions using Boltzmann sampling” • Georgia Tech • Love hiking About Me
None