Data is a Designer's Best Friend - EuroIA 2016
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Data is a Designer’s Best Friend Kathryn Parkes EuroIA 2016 Amsterdam [email protected] @kathrynparkes Visualisation @acatcalledfrank
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Transcript of Data is a Designer's Best Friend - EuroIA 2016
Data is a Designer’s Best Friend
Kathryn Parkes EuroIA 2016 Amsterdam
@kathrynparkes
Visualisation @acatcalledfrank
@mikko
Salvador Dali’s Illustrations: Alice in Wonderland, 1969
I AM NOT A DATA
SCIENTIST…but I sit next to one
MODELS
LOTS OF MODELS
SELECTION
PREPARATION
FITTING
TRAINING
REGRET
REGRESSION
BANDITS
Storyline
ZOOLANDER
So what is Data Science about?
#DTDT
MARKETING BUSINESS ANALYSIS
PRODUCT ENGINEER
DATA TEAM?
ART &
SCIENCE
What does a Data Scientist do?
MATHS
CODING
NARRATIVE
Machine Learning
SUPERVISED
UNSUPERVISED
REINFORCEMENT
Machine LearningSUPERVISED
Example Inputs
Example Outputs
Task: what is the rule or function?
Machine LearningSUPERVISED
How much/how many?Is this A or B?
CLASSIFICATION REGRESSION
Machine Learning
UNSUPERVISED
DEEP LEARNING GENERATIVE
Example Inputs
Task: look for patterns
The Next Rembrandt
Chair
Machine Learning
REINFORCEMENT
PUNISHMENTREWARD
Machine Learning
How is this organised?
What should I do now?
How much/how many?
Is this A or B?CLASSIFICATION
REGRESSIONSUPERVISED
UNSUPERVISED
REINFORCEMENT
Can you make me something like this?
DEEP LEARNING
GENERATIVE
What is the price of a 1.35 carat diamond?
Fitting
X
Underfitting Just right Overfitting
Y
X
Y
X
Y
PROBABILITIES
PROBABILITIES
CONDITIONAL PROBABILITIES
Bayes Theorem
P(A|B) P(B|A) P(B)P(A)
=
A/B Testing
Variant A
Variant B
Variant C
A/B Testing
Variant A
Variant B
Variant C
WK1
100%
0%WK
2WK
3WK
4WK
5WK
6
A
B
C
KPI
A/B Testing Bandits
Variant A
Variant B
Variant C
WK1
100%
0%WK
2WK
3WK
4WK
5WK
6WK1
100%
0%WK2
WK3
WK4
WK5
WK6
We feel much more regret if we miss a train by 1 minute than if we
miss it by 4 minutes
Narrative
Education
Ethnography
Psychology
Communication
Visualisation
Structure
“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
Uber
Uber
http://playground.tensorflow.org/
http://www.r2d3.us/visual-intro-to-machine-learning-part-1/
Global Service Jam
DIVERSE INPUTS
– 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.”
