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
SafeDining
Search
ahmad0510
February 15, 2016
Technology
0
39
SafeDining
Find safe dining places in your neighborhood
ahmad0510
February 15, 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
0
40
Safe Dining
ahmad0510
1
30
SafeDining2
ahmad0510
0
24
Safedining3
ahmad0510
0
35
Other Decks in Technology
See All in Technology
Next.js に疲れた私は Vue3 に癒やされた
akagire
0
130
20分で完全に理解するGrafanaダッシュボード
hamadakoji
5
890
認知症フレンドリーテックとスタックチャン
naokiuc
0
180
Google Cloud Next '24でブログを10本書いた方法と勉強会を沸かせた方法
yasumuusan
0
330
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
開発パフォーマンスを最大化するための開発体制
ham0215
7
1.1k
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
生成AIの変革の時代に、直近1年で直面した課題とその解決策
ktc_wada
0
560
ワールドカフェI /チューターを改良する / World Café I and Improving the Tutors
ks91
PRO
0
150
IPUT App Dev. Co. -Overview 2024/4
iputapp
0
120
One engineer company with Ruby on Rails
rstankov
2
420
Building a RAG-poweredAI chat appwith Python and VS Code
pamelafox
0
150
Featured
See All Featured
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
34
8.9k
Clear Off the Table
cherdarchuk
85
310k
Six Lessons from altMBA
skipperchong
22
3k
KATA
mclloyd
16
12k
A Modern Web Designer's Workflow
chriscoyier
689
190k
StorybookのUI Testing Handbookを読んだ
zakiyama
13
4.6k
Optimizing for Happiness
mojombo
370
69k
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
smashingmag
245
20k
GraphQLとの向き合い方2022年版
quramy
33
12k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
marktimemedia
20
1.7k
Git: the NoSQL Database
bkeepers
PRO
423
63k
XXLCSS - How to scale CSS and keep your sanity
sugarenia
242
1.2M
Transcript
Ahmad Haider Insight Data Science 2016
Personal Story 11 pm@ Nov 2013: Preparing for final
exams Hungry. Pizza cravings! Drive with friends to the nearest Papa Johns Mugged at Papa Johns parking lot. Car stolen L Insight project: Can I predict the safety rating of restaurants?
Provide real time location safety ratings of restaurants SafeDining
I want to eat Pizza at 2+ rated restaurant within
2 miles of my location pRest pRest pRest pRest pRest pRest pRest 2. Relative Safety Index 2. Relative Safety Index 2. Relative Safety Index 2. Relative Safety Index 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
Workflow Crime dataset Yelp dataset Preprocessing Defining classification problem Feature
Engineering Choosing a model Validation Python Pandas Regular expr. Multiclass 24 classes (hour of day) Standardization PCA Logistic Regression scikit-learn 10-fold cross validation Log loss score 2009-2015 Yelp search API
Multiclass Classification Predict the hour at which crime
happens at given location Features: Location (lat., long.), Address, Day, Week, Month, Year Labels: 24 classes (hour of day) Logistic Regression Cross entropy loss measure = 2.95 Algorithm
Theft Residential Burglary Robbery Assault Source: mylocalcrime.com Validation
• Ahmad Haider • PhD in “Measurement of energy landscapes
of biological interactions using boltzmann sampling” • Georgia Tech • Love hiking and reading fiction/non-fiction About Me
None