Ever wanted to do machine learning but don't know how to start? Join in me in a journey discovering ML and show you ML.NET Model Builder.

1. THANK YOU TO ALL THE SPONSORS
@Glob_AIBootcamp #GlobalAIBootcampBrisbane
Global Sponsors
Local Sponsors

2. Global AI Bootcamp 2019
Machine Learning
Simplified for Developers with
ML.NET
Join the Conversation @Glob_AIBootcamp #GlobalAIBootcampBrisbane @jernej_kavka

3. Senior Software Architect at SSW
Jernej Kavka (JK)
@Jernej_kavka
github.com/jernejk
jkdev.me
linkedin.com/in/jernejkavka/
.NET Core and EF Core dev at day
Cognitive Services and ML.NET dev at night
Join the Conversation @NDC_Conferences #NDCSydney @jernej_kavka

4. Cognitive Studio - http://bit.ly/CS-Exp

5. My story
ML.NET Model Builder
What is machine learning
Table of
Contents

6. My goal
Join the Conversation @Glob_AIBootcamp #GlobalAIBootcampBrisbane @jernej_kavka
POS AUTHORISATION DOTNETFOUNDATION
ORG REDMOND WA Card Used 0082
COFFEE 7 Melbourne
Audible Australia Melbourne
Investment
Food & Drink
Education

7. Azure ML
POS AUTHORISATION DOTNETFOUNDATION
ORG REDMOND WA Card Used 0082
COFFEE 7 Melbourne
Audible Australia Melbourne
Investment
Food & Drink
Education

8. Join the Conversation @Glob_AIBootcamp #GlobalAIBootcampBrisbane @jernej_kavka

9. Join the Conversation @Glob_AIBootcamp #GlobalAIBootcampBrisbane @jernej_kavka

10. Join the Conversation @Glob_AIBootcamp #GlobalAIBootcampBrisbane @jernej_kavka

11. ML.NET
• MS machine learning SDK that works offline
• Simple yet powerful
• Used in PowerBI, Outlook, Visual Studio…
• Support major ML models
• TensorFlow
• ONNX
• Awesome samples on GitHub
• https://github.com/dotnet/machinelearning-samples
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12. My goal
Join the Conversation @Glob_AIBootcamp #GlobalAIBootcampBrisbane @jernej_kavka
POS AUTHORISATION DOTNETFOUNDATION
ORG REDMOND WA Card Used 0082
COFFEE 7 Melbourne
Audible Australia Melbourne
Investment
Food & Drink
Education

13. My story
ML.NET Model Builder
What is machine learning
Table of
Contents

14. What is Machine Learning?

15. Machine Learning process
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Improve
Data
Training data Model
ML Training
Desktop and mobile
Web
IoT
Feedback
Deploy
Usage

16. Multi-class
Classification
Binary
Classification
Classification
Regression
Supervised
Learning
(labelled data)
Machine
Learning
Join the Conversation @Glob_AIBootcamp #GlobalAIBootcampBrisbane @jernej_kavka
Training data:
🍎 => Apple
🍐 => Pear
🍇 => Grape
Apple
Price over time
Is it a
fruit?
Yes No

17. Multi-class
Classification
Binary
Classification
Dimension
Reduction
Clustering
Unsupervised
Learning
(unlabelled data)
Classification
Regression
Supervised
Learning
(labelled data)
Machine
Learning
Join the Conversation @Glob_AIBootcamp #GlobalAIBootcampBrisbane @jernej_kavka
Training data:
🍎 => Apple
🍐 => Pear
🍇 => Grape
Apple
🍐
🍇
Apple price over time
Is it a
fruit?
Yes No
Features:
• Id
• Color
• Shape
• Company
• …

18. Try
Fail
Learn
Repeat
Multi-class
Classification
Binary
Classification
Reinforced
Learning
Dimension
Reduction
Clustering
Unsupervised
Learning
(unlabelled data)
Classification
Regression
Supervised
Learning
(labelled data)
Machine
Learning
Join the Conversation @Glob_AIBootcamp #GlobalAIBootcampBrisbane @jernej_kavka
Training data:
🍎 => Apple
🍐 => Pear
🍇 => Grape
Apple
🍐
🍇
Apple price over time
Is it a
fruit?
Yes No
Features:
• Id
• Color
• Shape
• Company
• …

19. Join the Conversation @Glob_AIBootcamp #GlobalAIBootcampBrisbane @jernej_kavka
Multi-class
Classification
Classification
Supervised
Learning
(labelled data)
Machine
Learning
https://docs.microsoft.com/en-us/dotnet/machine-
learning/resources/tasks

20. https://scikit-learn.org/stable/tutorial/machine_learning_map/index.html
Join the Conversation @Glob_AIBootcamp #GlobalAIBootcampBrisbane @jernej_kavka

21. Try
Fail
Learn
Repeat
Multi-class
Classification
Binary
Classification
Reinforced
Learning
Dimension
Reduction
Clustering
Unsupervised
Learning
(unlabelled data)
Classification
Regression
Supervised
Learning
(labelled data)
Machine
Learning
Join the Conversation @Glob_AIBootcamp #GlobalAIBootcampBrisbane @jernej_kavka
Training data:
🍎 => Apple
🍐 => Pear
🍇 => Grape
Apple
🍐
🍇
Apple price over time
Is it a
fruit?
Yes No
Features:
• Id
• Color
• Shape
• Company
• …

22. How do I start?
• Start with a scenario
Join the Conversation @Glob_AIBootcamp #GlobalAIBootcampBrisbane @jernej_kavka

23. Scenarios
• Is Tweet positive?
• Binary classification
• Categorize bank transactions
• Multi-class classification
• House price predictions
• Regression
• Product recommendation
• Clustering
Join the Conversation @Glob_AIBootcamp #GlobalAIBootcampBrisbane @jernej_kavka

24. Caveats
• ML won’t magically solve your problem
• Understand your data
• Guide ML toward right solution
• Start with something simple (classification)
Join the Conversation @Glob_AIBootcamp #GlobalAIBootcampBrisbane @jernej_kavka

25. My story
ML.NET Model Builder
What is machine learning
Table of
Contents

26. Join the Conversation @Glob_AIBootcamp #GlobalAIBootcampBrisbane @jernej_kavka

27. ML.NET scenarios
Join the Conversation @Glob_AIBootcamp #GlobalAIBootcampBrisbane @jernej_kavka

28. Build model (acquire knowledge)
Join the Conversation @Glob_AIBootcamp #GlobalAIBootcampBrisbane @jernej_kavka
Training data Model
ML Training

29. Build model (acquire knowledge)
Join the Conversation @Glob_AIBootcamp #GlobalAIBootcampBrisbane @jernej_kavka
Training data Model
ML Training

30. ML.NET Model Builder
• Wizard built on top of ML.NET SDK
• Picks best trainer for given scenario and data
• Can be different one as the data changes over time
• Allows quick prototyping
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31. https://dotnet.microsoft.com/apps/machinelearning-ai/ml-dotnet/model-builder
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32. Let’s do it
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POS AUTHORISATION DOTNETFOUNDATION
ORG REDMOND WA Card Used 0082
COFFEE 7 Melbourne
Audible Australia Melbourne
Investment
Food & Drink
Education

33. Training data preparation
Join the Conversation @Glob_AIBootcamp #GlobalAIBootcampBrisbane @jernej_kavka
Manual classification

34. Training data (CSV)
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35. Demo

36. Summary
• Import CSV file
• Tweak columns to get better results
• Generate project with ML
• Tweaking generated code
• Minor issues with small datasets (100+ rows)
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37. More details - http://bit.ly/jk-ml-interview-blog

38. Goal achieved 🍾🎉
Join the Conversation @Glob_AIBootcamp #GlobalAIBootcampBrisbane @jernej_kavka
POS AUTHORISATION DOTNETFOUNDATION
ORG REDMOND WA Card Used 0082
COFFEE 7 Melbourne
Audible Australia Melbourne
Investment
Food & Drink
Education

39. Thank you!
@Jernej_kavka
http://bit.ly/jk-ml-interview-blog
info@ssw.com.au
www.ssw.com.au
Sydney | Melbourne | Brisbane | Canberra