data is a designer's best friend - euroia 2016

Data is a Designer’s Best Friend

Kathryn Parkes EuroIA 2016 Amsterdam

kathryn.parkes@gmail.com

@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.”

kathryn.parkes@gmail.com @kathrynparkes

Thank you