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Data Scientist
Topics
• What is data science?
• What does data scientist do?
• How to become a data scientist?

• Opportunity

What is data science?
What is data science?
How much data
is generated
every minute?
What is data science?
Human-Generated
Data
What is data science?
Data
Data Science Process
Knowledge/Product
What is data science?
Data Science
• Statistic
• Math
• ……
• Software engineer
• social
• heath care
• finance
• ….
Knowledge/Product
• Fraud detection
• Product Recommendation
• Frequency common purchase product
• Influencer customer
• ……
What does data scientist do?
Data Scientist
Data Scientist
Data Scientist
What does data scientist do?
Types of Data Scientist
What does data scientist do?
https://en.wikipedia.org/wiki/Data_science
What does data scientist do?
Data Collection
What does data scientist do?
Processing and Cleansing
Make it ready for
analysis process
What does data scientist do?
Cleansing
What does data scientist do?
Data Exploration
What does data scientist do?
The 5 questions data science answers
https://www.youtube.com/watch?v=0XyV91VYrDs
What does data scientist do?
Modeling
What does data scientist do?
Visualize and Communicate
What does data scientist do?
Fraud Detection
Build Data Product
Recommender System
Social Listening
How to become a data scientist?
Skills
What is Machine Learning?
“Field of study that gives computers the ability to learn 

without being explicitly programmed”
- Arthur Samuel, 1959
How is Machine Learning different from traditional
programming?
How is Machine Learning different from traditional
programming?
if (eyes == 2) & (legs == 4) & (tail == 1)… then
print “Cat”
“ Cat ”
Traditional programming
Input
Program
Computer
Output
- eyes
- legs
- tail
- …..
- …..
How is Machine Learning different from traditional
programming?
if (eyes == 2) & (legs == 4) & (tail == 1)… then
print “Cat”
“ Cat ”
Traditional programming
Input
Program
Computer
Output
- eyes
- legs
- tail
- …..
- …..
How is Machine Learning different from traditional
programming?
“ Cat ”
Machine Learning
Input
Program
Computer
Output
Cat Recognition
- eyes
- legs
- tail
- …..
- …..
How does it work?
Feature
Extraction
Learning
Algorithm
Evaluation
Optimization
Data
Model
Error
Predicted Value = f(X)
We need f that Predicted Value close to True Value
(X)
(f)
Learning Process
Parameters
How to become a data scientist?
Tools
How to become a data scientist?
Tools
How to become a data scientist?
Data Role Options
How to become a data scientist?
http://101.datascience.community/wp-content/uploads/2016/11/data-science-engineer-software.png
How to become a data scientist?
How to become a data scientist?
How to become a data scientist?
Opportunity
Challenging Work
Opportunity
Opportunity
More Responsibilities

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Begin with Data Scientist

  • 2.
  • 3. Topics • What is data science? • What does data scientist do? • How to become a data scientist?
 • Opportunity

  • 4. What is data science?
  • 5. What is data science? How much data is generated every minute?
  • 6. What is data science? Human-Generated Data
  • 7. What is data science? Data Data Science Process Knowledge/Product
  • 8. What is data science? Data Science • Statistic • Math • …… • Software engineer • social • heath care • finance • …. Knowledge/Product • Fraud detection • Product Recommendation • Frequency common purchase product • Influencer customer • ……
  • 9. What does data scientist do? Data Scientist Data Scientist Data Scientist
  • 10. What does data scientist do? Types of Data Scientist
  • 11. What does data scientist do? https://en.wikipedia.org/wiki/Data_science
  • 12. What does data scientist do? Data Collection
  • 13. What does data scientist do? Processing and Cleansing Make it ready for analysis process
  • 14. What does data scientist do? Cleansing
  • 15. What does data scientist do? Data Exploration
  • 16. What does data scientist do? The 5 questions data science answers https://www.youtube.com/watch?v=0XyV91VYrDs
  • 17. What does data scientist do? Modeling
  • 18. What does data scientist do? Visualize and Communicate
  • 19. What does data scientist do? Fraud Detection Build Data Product Recommender System Social Listening
  • 20. How to become a data scientist? Skills
  • 21. What is Machine Learning? “Field of study that gives computers the ability to learn 
 without being explicitly programmed” - Arthur Samuel, 1959
  • 22. How is Machine Learning different from traditional programming?
  • 23. How is Machine Learning different from traditional programming? if (eyes == 2) & (legs == 4) & (tail == 1)… then print “Cat” “ Cat ” Traditional programming Input Program Computer Output - eyes - legs - tail - ….. - …..
  • 24. How is Machine Learning different from traditional programming? if (eyes == 2) & (legs == 4) & (tail == 1)… then print “Cat” “ Cat ” Traditional programming Input Program Computer Output - eyes - legs - tail - ….. - …..
  • 25. How is Machine Learning different from traditional programming? “ Cat ” Machine Learning Input Program Computer Output Cat Recognition - eyes - legs - tail - ….. - …..
  • 26. How does it work? Feature Extraction Learning Algorithm Evaluation Optimization Data Model Error Predicted Value = f(X) We need f that Predicted Value close to True Value (X) (f) Learning Process Parameters
  • 27. How to become a data scientist? Tools
  • 28. How to become a data scientist? Tools
  • 29. How to become a data scientist? Data Role Options
  • 30. How to become a data scientist? http://101.datascience.community/wp-content/uploads/2016/11/data-science-engineer-software.png
  • 31. How to become a data scientist?
  • 32. How to become a data scientist?
  • 33. How to become a data scientist?