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
Sentiment Analysis
Search
Matt Kirk
October 21, 2013
Technology
0
160
Sentiment Analysis
Talk given in Portland October 21, 2013
Matt Kirk
October 21, 2013
Tweet
Share
More Decks by Matt Kirk
See All by Matt Kirk
Overcoming Big Data Apathy
hexgnu
2
330
Other Decks in Technology
See All in Technology
歴代のWeb Speed Hackathonの出題から考えるデグレしないパフォーマンス改善
shuta13
6
580
フルカイテン株式会社 エンジニア向け採用資料
fullkaiten
0
8.5k
KiroでGameDay開催してみよう(準備編)
yuuuuuuu168
1
110
サイボウズフロントエンドの横断活動から考える AI時代にできること
mugi_uno
4
1.4k
JOAI発表資料 @ 関東kaggler会
joai_committee
1
190
AIが住民向けコンシェルジュに?Amazon Connectと生成AIで実現する自治体AIエージェント!
yuyeah
0
250
datadog-distribution-of-opentelemetry-collector-intro
tetsuya28
0
240
人を動かすことについて考える
ichimichi
2
300
ZOZOTOWNフロントエンドにおけるディレクトリの分割戦略
zozotech
PRO
13
4.3k
ドキュメントはAIの味方!スタートアップのアジャイルを加速するADR
kawauso
3
120
Autonomous Database Serverless 技術詳細 / adb-s_technical_detail_jp
oracle4engineer
PRO
18
52k
Engineering Failure-Resilient Systems
infraplumber0
0
130
Featured
See All Featured
Performance Is Good for Brains [We Love Speed 2024]
tammyeverts
10
1k
StorybookのUI Testing Handbookを読んだ
zakiyama
30
6k
Writing Fast Ruby
sferik
628
62k
Agile that works and the tools we love
rasmusluckow
329
21k
Creating an realtime collaboration tool: Agile Flush - .NET Oxford
marcduiker
31
2.2k
Intergalactic Javascript Robots from Outer Space
tanoku
272
27k
Embracing the Ebb and Flow
colly
87
4.8k
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
36
2.5k
Code Review Best Practice
trishagee
70
19k
Balancing Empowerment & Direction
lara
2
580
Rails Girls Zürich Keynote
gr2m
95
14k
XXLCSS - How to scale CSS and keep your sanity
sugarenia
248
1.3M
Transcript
Sentiment Analysis Matthew Kirk - Modulus 7 Monday, October 21,
13
The Challenge Monday, October 21, 13
Big Data Languages Java Python R Julia Clojure Monday, October
21, 13
Ruby has tools too Monday, October 21, 13
Monday, October 21, 13
Ruby is not Complex Math Monday, October 21, 13
A Solution • Listen To Speeches • Watch Others •
Read Books and Materials Monday, October 21, 13
Sentiment Monday, October 21, 13
The Goal is to Classify Data Monday, October 21, 13
Monday, October 21, 13
Machine Learning Monday, October 21, 13
Step 1: Collect Data • https://github.com/jperla/sentiment-data • Finance • Harvard
Negative Words • Hu Liu Words (Positive / Negative) • Pang Lee Movie Reviews Monday, October 21, 13
Now What? Monday, October 21, 13
Chess Monday, October 21, 13
The Features of a Chess Piece • Color • Location
on Board • Type (Rook, Queen, Pawn...) • Material • Length • Width • Temperature Monday, October 21, 13
Linear Regression Monday, October 21, 13
Support Vector Machines Monday, October 21, 13
That’s It! Monday, October 21, 13
Oh right Sentiment Analysis Monday, October 21, 13
Features of Text Monday, October 21, 13
We will use words only Monday, October 21, 13
Monday, October 21, 13
Linear Regression has a Curse Monday, October 21, 13
Support Vector Machines • Using the example of linear support
vector machines (our chess example) we’d end up with a similar response to the clustering Monday, October 21, 13
But there’s a trick (The Kernel Trick) Monday, October 21,
13
Parameter C • Find through Cross Validation • Try all
C’s from 2^-15 to 2^15 accepting the lowest error. Monday, October 21, 13
Demonstration Play with the tool at sentiment-analyzer.heroku.com Monday, October 21,
13
Testing Monday, October 21, 13
Conclusion This is just the beginning Go learn more become
more adept at data analysis Monday, October 21, 13
QR CODE! Monday, October 21, 13
modulus7.com/svm-talk @mjkirk Monday, October 21, 13
http://en.wikipedia.org/wiki/File:Kernel_Machine.png http://rickmanelius.com/article/do-you-dread-emails Comedy Central http://en.wikipedia.org/wiki/File:Chess_board_opening_staunton.jpg Star Trek Photo Credits Monday,
October 21, 13