Presentation of our journey with Unigro in credit scoring and fraud detection at Business Meets IT: Meet the Experts in Antwerp, Belgium. Unigro (part of the Otto Group) is a Belgian distant-seller with a large product assortment. The company has a strategic focus on consumer (installment) credit, and has used Predictive Analytics with SAS for more than 10 years to predict and monitor creditworthiness. Using these techniques, Unigro has realized a revenue growth of 25 percent whilst reducing credit risk, despite the financial and economic crises and the increase of riskier internet orders. Find additional details about the event here: http://www.businessmeetsit.be/events/162887/seminar-meet-the-experts-de-beste-ict-projecten-on-stage-10-09-2015-/
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10 years of risk analytics at Unigro
1. Credit scoring and
fraud detection in retail
The story of 10 years of
risk analytics at Unigro
Geert Verstraeten
Python Predictions
Case Unigro
10 years of risk analytics
Business Meets IT
Meet the Experts
Sept 10th, 2015
3. Unigro – Mission
The brand contributes to making
the lives of its customers more comfortable
by facilitating access to
a large number of products and services,
offering purchases on credit,
granted responsibly
4. Unigro – Mission Execution
41
-100
-50
0
50
100
NPS
5.8 5.8 6.0
1
2
3
4
5
6
7
does unigro
increase life
comfort?
does unigro
increase
happiness?
do you
trust unigro?
6,6
1
2
3
4
5
6
7
purchase
intentions
5. █ Since 1948
█ Structure:
█ Figures:
220 employees
8000 products
205 000 active clients
300 000 orders / year
Unigro – Facts
< <
450 000 articles sold / year
42 Mio EUR revenue / year
40% of revenues online
13. Data preparation
Project
Definition– Construct basetable
(150 variables)
• Socio-demographic
• Occupation
• Financial
• Relationship with Unigro
• Default history
• Order info
Data
Preparation
14. 43%
51%
6%
Data preparation
Project
Definition– Discretise variables
Data
Preparation
High value orders are more risky
Only 6% of orders have a value above 900€
of orders
below 150€
of orders
above 900€
of orders
150 - 900€
default risk
6%
9%
15%
but they are much more risky
15. 0.71 0.70
0.68
0.77
0.73 0.71
0.81 0.80
0.75
0.50
0.55
0.60
0.65
0.70
0.75
0.80
0.85
0.90
0.95
1.00
Score 1 Score 2 Score 3
Model building &
validation
Project
Definition
Data
Preparation
Model
Building
Model
Validation
AUC
(predictive
Performance) old model
refresh
new model
– Technical quality