add a data scientist to your startup.. or call it quits!

ADD A DATA SCIENTIST TO YOUR STARTUP…

OR CALL IT QUITS

Justo Hidalgo@justohidalgo

Hi!

• Co-founder, – BizDev, Data

• Data Integration and Management, Product Strategy and Innovation

• Ph.D. in Computer Science on Data Integration and Web Automation

• Ergo: Love Data

• @justohidalgo

A service to read and discover digital books that works on any device

Part I: Why Data Science

2. Have someone taking care of your metrics

3. Only measure what you truly care about

@justohidalgo

4. Beware vanity metrics…

… they may hide an awful truth

AARRR

Acquire Activate Retain Refer Get Revenue

SEOSEMCampaignsEmailBlogs…

Landing PageProduct Features…

Content (blogs, articles, …)EmailsAlerts…

CampaignsEmails…

Shopping cartSubscriptionsLead Gen…

traffic social business

@justohidalgo

Don’t be data-driven…

… be data-informed…

… but VERY DATA-INFORMED!

#ELS2014

DATA SCIENCE

SO EASY A CAVEMAN CAN DO IT

AND NOW…

BUSINESS-SAVVY!!!

@justohidalgo

DS organization

Source: http://radar.oreilly.com/2013/06/theres-more-than-one-kind-of-data-scientist.html

Yes, Data Science is a Frankenstein monster… but start

working on it…

Source: http://els2014/m

etricas

@justohidalgo

… or else…

Challenges

• Data acquisition and standardization• Execution time• Data misunderstandings

Part II: Case in Point

Books are on the cloudWe can measure every action performed by our readers

Publishing dashboard for publishers and investors

• Dashboard for publishers

• Sales analysis and forecast

• Product experience

• Reader behavior

• Marketing• Research

(MSc)

Currently:– Raw user data: 80 GB– Book info: Hundreds of GB– Over 1 TB of data

February, 2014:– 700,000+ registered users in 24symbols.com– 35,000 new registered users monthly (accelerated growth)– Over 2,000 publishers, 200,000 books and growing– New instances per country

➤ Whitelabel with mobile carriers => hundreds of thousands of users per country

➤ Currently: 24symbols.com + 4 projects with mobile carriers + internet.org (Colombia, but many more countries coming)

https://developers.google.com/bigquery/case-studies/safari-books

Users:– Books read (pages, chapters, hours, geo, …)– “Marked” books (highlights, favorites, etc.)

Books:– Text on ebooks– Metadata– Categories– Publishers

Types of info

Dataset structure

Sample queries in SQL

Projects - recommendation

Projects – Topic modelling

Projects – ad-hoc querying & BI

Thanks for your time!

@justohidalgo

Justo Hidalgohttp://www.loscuentosdelabuelo.com

jhidalgo@24symbols.com

Resources

• http://hbr.org/2012/10/data-scientist-the-sexiest-job-of-the-21st-century/• http://www.allenai.org/Content/Publications/Etzioni--Data_Scientists_Guide_

to_Start-Ups.pdf

• https://www.kaggle.com/ • http://jeroenjanssens.com/2013/09/19/seven-command-line-tools-for-data-s

cience.html

• http://www.boozallen.com/content/dam/boozallen/media/file/The-Field-Guide-to-Data-Science.pdf

• http://www.forbes.com/sites/gilpress/2013/05/28/a-very-short-history-of-data-science/

• http://www.wolfram.com/data-science-platform/ • Online courses:

– https://www.udacity.com/courses#!/data-science– https://www.coursera.org/specialization/jhudatascience/ – https://www.datacamp.com/

Credits

• http://www.flickr.com/photos/qualityandstyle/4628275080/ •

http://enpundit.s3.amazonaws.com/wp-content/uploads/2013/07/gym-teacher-yearbook-photo-1.jpg

• http://nirvacana.com/thoughts/becoming-a-data-scientist/ • http://rlv.zcache.com/little_unicorn_with_pink_mane_tie-

r63d74334bf074562988a6286e0081cdb_v9whb_8byvr_324.jpg • http://www.thebigdatainsightgroup.com/site/sites/default/files/

cloud24ii_0.jpg • https://www.flickr.com/photos/domiriel/6003445548