Upgrade to Pro — share decks privately, control downloads, hide ads and more …

How to Become a Rockstar Data Scientist

How to Become a Rockstar Data Scientist

Originally presented at:

Big Data Week, Jakarta, Indonesia, 23 March 2017
http://jakarta.bigdataweek.com

VeryFatBoy

March 23, 2017
Tweet

More Decks by VeryFatBoy

Other Decks in Technology

Transcript

  1. How to Become a Rockstar
    Data Scientist
    Akmal B. Chaudhri

    View full-size slide

  2. Introduction

    View full-size slide

  3. My background
    •  Wide-range of roles
    –  Blue Chip companies
    –  Big Data startups
    •  Wide-range of techs
    –  Database systems
    –  Programming
    languages
    •  Developer relations
    •  University relations
    •  10 books, many
    presentations

    View full-size slide

  4. Cloud computing in agriculture

    View full-size slide

  5. Data Scientist has been named the
    sexiest job of the 21st century, and
    are so in demand that there won’t be
    enough of them to fill every position
    by 2018, according to a report by
    McKinsey Global Institute. How to
    help fill this demand and become a
    Rockstar Data Scientist?
    Abstract

    View full-size slide

  6. Sexy data scientist (for ladies)

    View full-size slide

  7. Sexy data scientist (for gents)

    View full-size slide

  8. What is a data scientist?
    Source: http://www.mobilefish.com/services/wanted_poster/wanted_poster.php

    View full-size slide

  9. Data science is not new
    Source: Rina Piccolo, used with permission
    •  https://www.rinapiccolo.com/piccolo-
    cartoons/

    View full-size slide

  10. Data scientist skills
    Source: http://drewconway.com/zia/2013/3/26/the-data-science-venn-diagram/

    View full-size slide

  11. Modern data scientist
    Source: http://www.marketingdistillery.com

    View full-size slide

  12. Too much to know
    Hacking
    Skills
    Substantive
    Expertise Math &
    Statistics

    View full-size slide

  13. Super man/woman

    View full-size slide

  14. Role of a data scientist
    •  Data mining expert
    •  Statistics SME
    •  Trusted advisor
    •  Experiment designer
    •  Advanced analytics software expert

    View full-size slide

  15. 60%
    19%
    9%
    5%
    4% 3% Cleaning and
    organizing data
    Collec7ng data
    sets
    Mining data for
    paOther
    Refining
    algorithms
    Building training
    sets
    How a data scientist spends
    their day
    Source: http://visit.crowdflower.com/rs/416-ZBE-142/images/CrowdFlower_DataScienceReport_2016.pdf

    View full-size slide

  16. 57%
    21%
    10%
    5%
    4% 3% Cleaning and
    organizing data
    Collec7ng data
    sets
    Building training
    sets
    Other
    Refining
    algorithms
    Mining data for
    paWhat’s the least enjoyable part
    of data science?
    Source: http://visit.crowdflower.com/rs/416-ZBE-142/images/CrowdFlower_DataScienceReport_2016.pdf

    View full-size slide

  17. Jobs analysis

    View full-size slide

  18. Job postings
    Source: Indeed

    View full-size slide

  19. Jobseeker interest
    Source: Indeed

    View full-size slide

  20. Division of labour ...
    Source: Shutterstock Image ID 159183185
    Data Scientist
    Data Engineer
    Data Analyst

    View full-size slide

  21. Division of labour
    •  Data scientist
    – Builds analytical
    models
    •  Data engineer
    – Infrastructure and
    tools
    •  Data analyst
    – Communicates
    business insights

    View full-size slide

  22. Job postings
    Source: Indeed

    View full-size slide

  23. Jobseeker interest
    Source: Indeed

    View full-size slide

  24. Data scientist jobs in the UK
    •  Top related IT skills
    –  Python (663)
    –  ML (605)
    –  R (504)
    –  Analytics (433)
    –  SQL (379)
    –  Mathematics (355)
    –  Big Data (348)
    –  Statistics (345)
    Source: http://www.itjobswatch.co.uk/jobs/uk/data scientist.do (18 March 2017)

    View full-size slide

  25. Source: Big Cloud

    View full-size slide

  26. Good data scientists are rare
    •  http://www.condenaststore.com/-sp/Your-
    three-o-clock-hallucination-is-here-New-
    Yorker-Cartoon-Prints_i8476186_.htm
    Source: After “Your three-o’clock hallucination is here.” by Michael Maslin for The New Yorker

    View full-size slide

  27. And everyone wants experience
    •  https://www.cartoonstock.com/
    cartoonview.asp?catref=jmo0676
    Source: “Impossible to Fill Vacancies” by John Morris

    View full-size slide

  28. Data science roadmap ...
    Source: http://nirvacana.com/thoughts/becoming-a-data-scientist/

    View full-size slide

  29. Data science roadmap
    1.  Fundamentals
    2.  Statistics
    3.  Programming
    4.  Machine Learning
    5.  Text Mining / NLP
    6.  Data Visualization
    7.  Big Data
    8.  Data Ingestion
    9.  Data Munging
    10. Toolbox
    Source: http://nirvacana.com/thoughts/becoming-a-data-scientist/

    View full-size slide

  30. Best practices in data science
    •  Understand the business problem
    •  Define your methodology
    •  Know your data sources
    •  Prepare your data
    •  Understand the results

    View full-size slide

  31. Citizen data scientist
    A person who creates or generates
    models that leverage predictive or
    prescriptive analytics but whose primary
    job function is outside of the field of
    statistics.
    -- Gartner

    View full-size slide

  32. Why citizen data scientists?
    •  Skilled data scientists are rare
    – Specialized skills and business knowledge
    •  Growth in self-service data preparation
    – Visual exploration with immediate feedback
    •  Growth in advanced analytics platforms
    – IBM Watson

    View full-size slide

  33. Prepare for data science ...
    •  Spreadsheet software
    •  Python data science software
    – pandas, numpy, scipy
    •  SQL
    – Used for relational and non-relational
    •  Kaggle or equivalent
    – Get experience
    – Look at solutions

    View full-size slide

  34. Prepare for data science
    •  Local meetups and conferences
    •  Online courses
    – edX, Coursera, Udacity, ...
    – Audit the courses, gain knowledge
    •  Bootcamps
    •  Master’s or PhD
    – Many data scientists have advanced degrees
    •  Build your online portfolio

    View full-size slide

  35. Theory is not enough

    View full-size slide

  36. ASEAN research

    View full-size slide

  37. Indonesia
    •  Data Science Indonesia
    – http://datascience.or.id
    – https://www.facebook.com/datascienceindo/
    – @DataScienceIndo

    View full-size slide

  38. Contact details

    View full-size slide

  39. Find me on
    – http://www.linkedin.com/in/akmalchaudhri/
    – http://twitter.com/akmalchaudhri/
    – http://www.quora.com/Akmal-Chaudhri/
    – http://www.facebook.com/akmal.chaudhri/
    – http://plus.google.com/+AkmalChaudhri/
    – http://www.slideshare.net/VeryFatBoy/
    – http://www.youtube.com/VeryFatBoyVideos/

    View full-size slide