Delving into the world of the data scientist, this talk will show that once a few fundamentals of their language are understood, we can foster a valuable relationship between data and design. Leading to better outcomes for both parties. Delivered at EuroIA Sept 2016 Amsterdam

1. Data is a Designer’s Best Friend
Kathryn Parkes
EuroIA 2016 Amsterdam
kathryn.parkes@gmail.com
@kathrynparkes
Visualisation @acatcalledfrank

6. @mikko

7. Salvador Dali’s Illustrations: Alice in Wonderland, 1969

11. I AM
NOT A
DATA
SCIENTIST
…but I sit next to one

12. MODELS

13. LOTS OF MODELS

14. SELECTION

15. PREPARATION

16. FITTING

17. TRAINING

18. REGRET

19. REGRESSION

20. BANDITS

21. Storyline

22. ZOOLANDER

24. So what is Data Science about?

25. #DTDT

27. MARKETING
BUSINESS
ANALYSIS
PRODUCT ENGINEER
DATA TEAM?

28. ART
&
SCIENCE

29. What does a Data Scientist do?
MATHS
CODING
NARRATIVE

30. Machine Learning
SUPERVISED
UNSUPERVISED
REINFORCEMENT

31. Machine Learning
SUPERVISED
Example
Inputs
Example
Outputs
Task: what is the
rule or function?

32. Machine Learning
SUPERVISED
How much/how many?Is this A or B?
CLASSIFICATION REGRESSION

33. Machine Learning
UNSUPERVISED
DEEP LEARNING GENERATIVE
Example
Inputs
Task: look for
patterns

34. The Next Rembrandt

39. Chair

40. Machine Learning
REINFORCEMENT
PUNISHMENTREWARD

41. Machine Learning
How is this organised?
What should I do now?
How much/how many?
Is this A or B?CLASSIFICATION
REGRESSION
SUPERVISED
UNSUPERVISED
REINFORCEMENT
Can you make me
something like this?
DEEP LEARNING
GENERATIVE

42. What is the price of a
1.35 carat diamond?

44. Fitting
X
Underfitting Just right Overfitting
Y
X
Y
X
Y

45. PROBABILITIES

46. PROBABILITIES

47. CONDITIONAL PROBABILITIES

48. Bayes Theorem
P(A|B) P(B|A) P(B)
P(A)
=

49. A/B Testing
Variant A
Variant B
Variant C

50. A/B Testing
Variant A
Variant B
Variant C
WK
1
100%
0%
WK
2
WK
3
WK
4
WK
5
WK
6
A
B
C
KPI

51. A/B Testing Bandits
Variant A
Variant B
Variant C
WK
1
100%
0%
WK
2
WK
3
WK
4
WK
5
WK
6
WK
1
100%
0%
WK
2
WK
3
WK
4
WK
5
WK
6

52. We feel much more regret if we
miss a train by 1 minute than if we
miss it by 4 minutes

53. Narrative
Education
Ethnography
Psychology
Communication
Visualisation
Structure

54. “When I am working on a problem, I never think about beauty........ but
when I have finished, if the solution is not beautiful, I know it is wrong.”
― R. Buckminster Fuller

55. Uber

56. Uber

57. http://playground.tensorflow.org/

58. http://www.r2d3.us/visual-intro-to-machine-learning-part-1/

61. Global Service Jam
DIVERSE INPUTS

62. – Henry Ford
“Coming together is a beginning; keeping together
is progress; working together is success. My best
friend is the one who brings out the best in me.”

63. kathryn.parkes@gmail.com
@kathrynparkes
Thank you