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Introduction into Data Analysis

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Avatar for János Divényi János Divényi
September 13, 2016
Education
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Introduction into Data Analysis

session#1 of my data analysis course at Budapest University of Economics and Technology

Avatar for János Divényi

János Divényi

September 13, 2016
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Transcript

  1. session#1 Divényi János @divenyi.janos

  2. None

  3. How to find answers to relevant questions using data

  4. None

  5. QUESTION

  6. QUESTION DATA

  7. QUESTION DATA ANALYSIS

  8. QUESTION DATA ANALYSIS PRESENTATION

  9. QUESTION DATA ANALYSIS PRESENTATION

  10. QUESTION DATA ANALYSIS PRESENTATION

  11. None
  12. None

  13. Prof. Hal Varian UC Berkeley, Chief Economist at Google

  14. Prof. Hal Varian UC Berkeley, Chief Economist at Google „If

    you are looking for a career where your services will be in high demand, you should find something where you provide a scarce, complementary service to something that is getting ubiquitous and cheap.”

  15. Prof. Hal Varian UC Berkeley, Chief Economist at Google „So

    what’s getting ubiquitous and cheap? Data. And what is complementary to data? Analysis.”
  16. None
  17. None
  18. None

  19. 2014 Dice Tech Salary Survey (17,000 technology proffessionals from the

    US)

  20. b.socrative.com Student login into room BMEADAT

  21. Personalized sending times

  22. None

  23. How does a new piece of information affects what we

    know about the world? www.bigstockphoto.com
  24. None
  25. None

  26. P(A|B) conditional probability probability that A occurs given than B

    has occurred

  27. Explained Visually

  28. Problem #1 Mr. Jones has two children. The older child

    is a boy. What is the probability that both children are boys?

  29. Problem #1 Mr. Jones has two children. The older child

    is a boy. What is the probability that both children are boys? 1/2

  30. Problem #2 Mr. Smith has two children. At least one

    of them is a boy. What is the probability that both children are boys?

  31. Problem #2 Mr. Smith has two children. At least one

    of them is a boy. What is the probability that both children are boys? 1/3

  32. Problem #3 Mr. Gardner has two children. At least one

    of them is a boy born on Tuesday. What is the probability that both children are boys?

  33. Problem #3 Mr. Gardner has two children. At least one

    of them is a boy born on Tuesday. What is the probability that both children are boys? 13/27

  34. https://xkcd.com/795/

  35. How does a new piece of information affects what we

    know about the world? www.bigstockphoto.com