startup - big data - data science

Startup

@teguhn

Bukalapak Mission: Empowering SMEs in Indonesia

What is startup?

“a business or undertaking that has recently begun operation”The American Heritage Dictionary

“a company designed to grow fast”Paul Graham

“a temporary organization used to search for a repeatable and scalable business model”Stave Blank

Startup Culture

● Creative problem solving● Open communication● A flat hierarchy

Lean Startup

Lean Approach

http://www.slideshare.net/Leananalytics

Lean Approach

http://www.slideshare.net/Leananalytics

Big Data

@teguhn

Big Data is cultural phenomenon

It describes how much data is part of our lives, precipitated by accelerated advances in technology

http://www.internetlivestats.com/

4 V’s

Value Chains of Big Data

● Infrastructure(Data Origins to Data Integration)

● Analytics(Data Science world)

● Applications(Implementation)

Big Data Landscape

Data Science

@teguhn

Why Data Science?

LinkedIn Hottest Skills

“(statistical analysis and data mining) It is the only skill category that is consistently ranked in the top 4 across all of the countries we analyzed.”http://blog.linkedin.com/2016/01/12/the-25-skills-that-can-get-you-hired-in-2016/

Skills of Data Scientists

http://www.business2community.com/big-data/big-data-and-analytics-value-chain-cross-section-0589031

Skills of Data Scientists

Types of questions

● Descriptive: What happened?● Exploratory: See patterns in variables● Inferential: Estimating variables population● Causal: Does x affect y?● Predictive: Predict values for another object

Image : http://www.gs.washington.edu/academics/courses/akey/56008/lecture/lecture1.pdf

Test your hypothesis with A/B Testing

Why A/B Testing?● Randomization experiment● Confirming which idea is better● Only some users will be tested● Development effectivity● Know the significance of the change● Utilizing traffic

Image : http://www.gs.washington.edu/academics/courses/akey/56008/lecture/lecture1.pdf

teguh@bukalapak.com

● Data Scientist● Lead of Growth Team

Referenceshttps://rjmetrics.com/resources/reports/the-state-of-data-science/

https://datasciencespecialization.github.io

http://www.gs.washington.edu/academics/courses/akey/56008/lecture.htm

http://datascopeanalytics.com/blog/six-qualities-of-a-great-data-scientist/

http://conferences.oreilly.com/strata/big-data-conference-uk-2015/public/schedule/detail/39814

https://datajobs.com/what-is-data-science

http://mattturck.com/2016/02/01/big-data-landscape/

http://www.business2community.com/big-data/big-data-and-analytics-value-chain-cross-section-0589031

Lillian Pierson, “Data Science for Dummies”