4. What is Data Science?
Where is the “Science”
in Data Science?
Dr. Marcel Blatter
5. What is Data Science?
Where is the “Science”
in Data Science?
Why should companies care?
Dr. Marcel Blatter
6. What is Data Science?
Finding an answer for
each of these questions
is a challenge!
Where is the “Science”
in Data Science?
Why should companies care?
Dr. Marcel Blatter
7. What is Data Science?
Finding an answer for
each of these questions
is a challenge!
Where is the “Science”
in Data Science?
Having an answer for
each of these questions
gives opportunities!
Why should companies care?
Dr. Marcel Blatter
8. What is Data Science?
Richard Feynman:
,,Knowing the name of something
does not mean to know something”
Dr. Marcel Blatter
9. What is Data Science?
Cern
Is this a Data Scientist?
Dr. Marcel Blatter
10. What is Data Science?
Cern
Is this a Data Scientist?
Data Science is not equal Big Data
Dr. Marcel Blatter
11. What is Data Science?
Nice guy
Is this a Data Scientist?
Dr. Marcel Blatter
12. What is Data Science?
Nice guy
Is this a Data Scientist?
Data Science is not equal showing nice charts
Dr. Marcel Blatter
13. What is Data Science?
fetch’n magic magic magic
store part I: part II: part III:
the information- Information- Knowledge-
data generation presentation generation
Dr. Marcel Blatter
14. What is Data Science?
Number crunching (machine)
High Low
fetch’n magic magic magic
store part I: part II: part III:
the information- Information- Knowledge-
data generation presentation generation
Dr. Marcel Blatter
15. What is Data Science?
Number crunching (machine)
High Low
fetch’n magic magic magic
store part I: part II: part III:
the information- Information- Knowledge-
data generation presentation generation
Low High
Interpretation (human)
Dr. Marcel Blatter
16. What is Data Science?
fetch’n magic magic magic
store part I: part II: part III:
the information- Information- Knowledge-
data generation presentation generation
Dr. Marcel Blatter
17. What is Data Science?
fetch’n magic magic magic
store part I: part II: part III:
the information- Information- Knowledge-
data generation presentation generation
Hacking Skills
Dr. Marcel Blatter
18. What is Data Science?
fetch’n magic magic magic
store part I: part II: part III:
the information- Information- Knowledge-
data generation presentation generation
Hacking Skills
Math, Modeling
Dr. Marcel Blatter
19. What is Data Science?
fetch’n magic magic magic
store part I: part II: part III:
the information- Information- Knowledge-
data generation presentation generation
Hacking Skills
Communication,
Math, Modeling
Visualization
Dr. Marcel Blatter
20. What is Data Science?
Iterative Process / Data Lifecycle
fetch’n magic magic magic
store part I: part II: part III:
the information- Information- Knowledge-
data generation presentation generation
Domain
Hacking Skills
Knowledge
Communication,
Math, Modeling
Visualization
Dr. Marcel Blatter
21. What is Data Science?
Data Science is a holistic view
on the
lifecycle of heterogenous data
to infer
domain specific knowledge
generating competitive business advantages.
Dr. Marcel Blatter
22. Where is the “Science”
in Data Science?
If you have to label something with “science”, then
the “science” is probably only in the label.
Dr. Marcel Blatter
23. Where is the “Science”
in Data Science?
p(y|x)p(x) Just using machine learning
p(x|y) =
p(y) methods is not
X
p(y) = p(y, x) science.
x
Dr. Marcel Blatter
24. Where is the “Science”
in Data Science?
Just hunting for correlations
is not science.
Dr. Marcel Blatter
25. Where is the “Science”
in Data Science?
We need at least the exploratory approach of
science.
This means:
learning to ask the right questions and giving
answers with explanatory power.
Dr. Marcel Blatter
26. Why should companies care?
Data science is not just about reporting something.
It’s about exploration and invention.
Dr. Marcel Blatter
27. Why should companies care?
New discoveries can turn into products
or competitive advantages.
Dr. Marcel Blatter