Learn how to clean data, store and retrieve from PostgreSQL, and build a machine learning model and deploy it to the web

1. @rajrsingh
Data science and machine learning
with Postgres on the IBM Cloud
Predicting NBA
winners with
Postgres and
Watson Studio
Raj Singh
Developer Advocate
IBM Watson & Cloud
IBM Watson & Cloud / April, 2018 / © 2018 IBM Corporation
photo from Wikimedia Commons

2. @rajrsingh
Featured ServicesThis is the IBM Cloud
Compute
Network
Storage
Management
Security
Data
Analytics
AI
IoT
Mobile
Developer Tools
Blockchain
Integration
Migration
Private Cloud
VMware
IBM Watson & Cloud / April, 2018 / © 2018 IBM Corporation 2
Watson ML, Deep Learning, SpeechóText,
Visual Recognition
Object Storage, Block Storage, CDN
Cloud Foundry, Containers, Cloud Functions,
Bare Metal
Watson Studio, Spark, Streaming Analytics
Relational, NoSQL, Migration

3. @rajrsingh
ML choices in Watson Studio
IBM Watson & Cloud / April, 2018 / © 2018 IBM Corporation 3
• R
• Scikit-learn
• Tensorflow
• WatsonML/SparkML
ü deploy to cloud!

4. @rajrsingh
web
pipeline
The ML Process
IBM Watson & Cloud / April, 2018 / © 2018 IBM Corporation
training
data
+
Vector Assembler
array of columns
Estimation Model
regression, decision tree,
random forest, etc.
fitted
model
=
fitted
model
=
p r e d i c t i o
n s • p r e d i
c t i o n s • p r
e d i c t i o n s
• p r e d i c t i
o n s •
test
data
scoring
model
=
p r e d i c t i o
n s • p r e d i
c t i o n s • p r
e d i c t i o n s
• p r e d i c t i
o n s •
real-time
data
_____
_____
_____

5. @rajrsingh
What’s your record? Home or away? How “hot” are you?
IBM Watson & Cloud / April, 2018 / © 2018 IBM Corporation 5

6. @rajrsingh
web
pipeline
The ML Process
IBM Watson & Cloud / April, 2018 / © 2018 IBM Corporation
training
data
+
Vector Assembler
[homeWins, awayWins,
homeLast5, awayLast5]
Estimation Model
logistic regression
fitted
model
=
fitted
model
=
p r e d i c t i o
n s • p r e d i
c t i o n s • p r
e d i c t i o n s
• p r e d i c t i
o n s •
test
data
online
model
=
p r e d i c t i o
n s • p r e d i
c t i o n s • p r
e d i c t i o n s
• p r e d i c t i
o n s •
real-time
data
80%
20%

7. @rajrsingh
1. Code in Jupyter Notebooks
2. Choose key variables
3. Store & Retrieve data with PostgreSQL
4. Load into Spark DataFrame
5. Fit Linear Regression model with SparkML
6. Deploy to Cloud
7. Predict future games
ML with PostgreSQL
to Predict NBA outcomes
IBM Watson & Cloud / April, 2018 / © 2018 IBM Corporation 7

8. @rajrsingh
Demo
NBA Explore-Clean
https://gist.github.com/rajrsingh/62082835fdef01e770024140559cdd24
NBA Machine Learning
https://gist.github.com/rajrsingh/8dee6303e3c94f9593499ed0b8812b7a
IBM Watson & Cloud / April, 2018 / © 2018 IBM Corporation 8photo by Keith Allison
https://www.flickr.com/photos/keithallison/24689492152/in/photostream/

9. @rajrsingh
Learn More
q Watson Studio
q ibm.co/watsondataplatform
q IBM Watson Data Lab
q medium.com/ibm-watson-data-lab
q ibm-watson-data-lab.github.io
q GitHub
q github.com/ibm-watson-data-lab
q PixieDust
q ibm.co/pixiedust
qRaj Singh
q rrsingh@us.ibm.com
q @rajrsingh on Twitter
IBM Watson & Cloud / April, 2018 / © 2018 IBM Corporation 9