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
Search
ahmad0510
February 16, 2016
Technology
0
40
Safe Dining
Recommender for safe eating places in your neighborhood
ahmad0510
February 16, 2016
Tweet
Share
More Decks by ahmad0510
See All by ahmad0510
Safe Dining Talk
ahmad0510
0
41
Safe Dining Talk
ahmad0510
0
27
Safe Dining
ahmad0510
1
26
Safe Dining
ahmad0510
0
32
Safe Dining
ahmad0510
0
30
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
家族アルバム みてねにおけるGrafana活用術 / Grafana Meetup Japan Vol.1 LT
isaoshimizu
1
910
自己改善からチームを動かす! 「セルフエンジニアリングマネージャー」のすゝめ
shoota
6
1k
MixIT 2024 - Pulumi : Gérer son infra avec son langage de programmation préféré
ju_hnny5
1
120
Python と Snowflake はズッ友だょ!~ Snowflake の Python 関連機能をふりかえる ~
__allllllllez__
2
140
Rustで「プリズモイダル法」を利用して「土量計算」をガチでやる
nokonoko1203
1
280
KubeConにproposalを送りたい人へのアドバイス
sat
PRO
3
270
Building Dashboards as a Hobby
egmc
0
360
一生覚えておきたい「システム開発=コミュニケーション」〜初めての実務案件振り返りLT〜
maimyyym
2
310
生産性向上チームの紹介
cybozuinsideout
PRO
1
910
本当のAWS基礎
toru_kubota
1
620
LLM開発・活用の舞台裏@2024.04.25
yushin_n
3
1.1k
Azureの基本的な権限管理の勉強会
yhana
1
2.1k
Featured
See All Featured
Practical Orchestrator
shlominoach
183
9.7k
The Cult of Friendly URLs
andyhume
74
5.7k
Building Adaptive Systems
keathley
32
1.9k
GraphQLの誤解/rethinking-graphql
sonatard
55
9.3k
Embracing the Ebb and Flow
colly
80
4.2k
The Mythical Team-Month
searls
216
42k
Adopting Sorbet at Scale
ufuk
69
8.6k
Debugging Ruby Performance
tmm1
70
11k
Building an army of robots
kneath
300
41k
Art, The Web, and Tiny UX
lynnandtonic
290
19k
Code Reviewing Like a Champion
maltzj
515
39k
Design and Strategy: How to Deal with People Who Don’t "Get" Design
morganepeng
117
18k
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 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