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Putting Data Science in
Your Business:
a First Utility Feedback
Abed Ajraou – Director of Data & Insights
& Lead Data Scientist
First Utility – Putting customers in control; saving them money
Cheaper tariffs Great service More knowledge
Driving the Success of DS Solutions : Skills, Roles and
Responsibilities
Right Technology
Data - the new power
Internal Data
Allow us to deliver a
better service for our
customers
Allow us to optimise the
business and give the
better price to our
customers
Allow us to give more
knowledge to our
customers
Industry
Data
Individual
Transaction-Level Data Internal Data
 Better Agility
 Data Lake and Data Warehousing in
the same platform
 Unable Data Discovery
 Collect more data
 Analyse the data with high
performance
 Next Gen of Data Visualisation on top
of Hadoop
Right Mind-set
Start with a business problem
Not considering the business outcome, it’s actually
the first reason of project failure!
Start with a business problem
Right Methodology
Explore the data
● Exploratory Analysis by Visualizing the data
The creativity part and lot of trial /
error process.
Feature engineering
Andrew Fogg win the competition by
categorising the colours of cars.
● ML is often used in DS
● Currently, the buzz/trend ML is xgboost which gives most of the
time better result than the traditional Random Forest & Neural
Networks.
● Reason of the success? More Accurate, more efficient, easy to
use, customized and distributed.
● Need less spending time in Feature engineering but still need
some creativity.
Models to predict
Evaluation - validations
● Overfitting/Underfitting
is the biggest fear of a
Data Scientist.
● Cross validation is one
way to protect the
model to not overfit
Feedback loop
● ML algorithm is a life system …
like any life specimen, it needs cares !!!
● Learning by his mistakes, it’s the only way
to progress and to fit a real AI model.
Bad Methodology
Main reasons:
• No clear business case
• Try to create the best accurate model in the first place
• No agility
• No code version control
An iterative delivery is key
Sprint
1
Sprint
2
Main take away:
• Agility is required
• Weekly delivered is highly recommended to avoid
falling to the “tunnel effect”
AML
Automated
Machine learning
Gain in Efficiency
● In the old age of BI world, we gain in efficiency by using ETL tool
rather than scripting codes.
However, ML is often associate with R/Python/Scala coding.
Dataiku Flow => enable
AML
My favorite app
The Collaborative Data Science Platform: Dataiku
Data Science
is nothing
without a team
Data Science is a range of skills !
It’s quite rare to get them in a single person
Source: Dsradar.com
Thank you
for your attention
Any Questions?
Keep contact:
@AAjraou

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BDW17 London - Abed Ajraou - First Utility - Putting Data Science in your Business

  • 1.
  • 2.
  • 3. Putting Data Science in Your Business: a First Utility Feedback Abed Ajraou – Director of Data & Insights & Lead Data Scientist
  • 4. First Utility – Putting customers in control; saving them money Cheaper tariffs Great service More knowledge
  • 5. Driving the Success of DS Solutions : Skills, Roles and Responsibilities
  • 7. Data - the new power Internal Data Allow us to deliver a better service for our customers Allow us to optimise the business and give the better price to our customers Allow us to give more knowledge to our customers
  • 8. Industry Data Individual Transaction-Level Data Internal Data  Better Agility  Data Lake and Data Warehousing in the same platform  Unable Data Discovery  Collect more data  Analyse the data with high performance  Next Gen of Data Visualisation on top of Hadoop
  • 10. Start with a business problem Not considering the business outcome, it’s actually the first reason of project failure!
  • 11. Start with a business problem
  • 13. Explore the data ● Exploratory Analysis by Visualizing the data
  • 14. The creativity part and lot of trial / error process. Feature engineering Andrew Fogg win the competition by categorising the colours of cars.
  • 15. ● ML is often used in DS ● Currently, the buzz/trend ML is xgboost which gives most of the time better result than the traditional Random Forest & Neural Networks. ● Reason of the success? More Accurate, more efficient, easy to use, customized and distributed. ● Need less spending time in Feature engineering but still need some creativity. Models to predict
  • 16. Evaluation - validations ● Overfitting/Underfitting is the biggest fear of a Data Scientist. ● Cross validation is one way to protect the model to not overfit
  • 17. Feedback loop ● ML algorithm is a life system … like any life specimen, it needs cares !!! ● Learning by his mistakes, it’s the only way to progress and to fit a real AI model.
  • 18. Bad Methodology Main reasons: • No clear business case • Try to create the best accurate model in the first place • No agility • No code version control
  • 19. An iterative delivery is key Sprint 1 Sprint 2 Main take away: • Agility is required • Weekly delivered is highly recommended to avoid falling to the “tunnel effect”
  • 21. Gain in Efficiency ● In the old age of BI world, we gain in efficiency by using ETL tool rather than scripting codes. However, ML is often associate with R/Python/Scala coding.
  • 22. Dataiku Flow => enable AML My favorite app The Collaborative Data Science Platform: Dataiku
  • 24. Data Science is a range of skills ! It’s quite rare to get them in a single person Source: Dsradar.com
  • 25. Thank you for your attention Any Questions? Keep contact: @AAjraou