SLIDE 1
- Issue
- Decision to use analytics
- Data
- Preprocessing
- Algorithms
- Raw results
- Interpretation of results
- Action
"50 Shades of Truth: Visualisation and Communication of - - PowerPoint PPT Presentation
"50 Shades of Truth: Visualisation and Communication of - - PowerPoint PPT Presentation
www.imsd.ch "50 Shades of Truth: Visualisation and Communication of Uncertainty" Rodolphe Dewarrat & Vera Grttling, IMSD www.imsd.ch Issue Decision to use analytics Data Preprocessing Algorithms Raw
SLIDE 2
SLIDE 3
Available Data and Truth:
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percentage of relevant information available
SLIDE 4
Even the Best Algorithms Available
- don’t make the difference between these situations
- don’t know what information could be interesting
- are based on violated assumptions
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Visit the booth of the swiss statistical society
SLIDE 5
The best analytical method ADF
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Presented on the 28th of May at an expert round table of statisticians at the ETH Developed at the University of Exeter (UK), tested and validated by international experts
SLIDE 6
interface
- Trained for millenaries to recognize patterns
The best analytical method ADF
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SLIDE 7
- Today probably our best brain to machine
interface
- Trained for millenaries to recognize patterns
instantly
The human visual system
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SLIDE 8
Example 1 of 4
Aircraft section plot www.imsd.ch
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Example 2 of 4
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0.25 0.5 0.75 1
Example 3 of 4
Uncertain radar plot
2 4 6 8
satisfaction
Employees Customers Suppliers Stock holders Management
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satisfaction
Employees Customers Suppliers Stock holders Management
SLIDE 11
Example 4 of 4
SC plot
FR
VD
BE ZH 1 1cm2 = 10k customers churn canton
100% 80% 60% 40%
FR VD JU BE ZH
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JU
100% 80% 60% 40%
FR VD BE JU ZU
10k 80k 60k 40k
FR VD BE JU ZU
SLIDE 12
Conclusion
- Before starting anything (e.g. buying a data cluster, doing an analysis)
look at your data and consider its validity and truth.
- This step cannot be replaced by a machine.
- Strongly consider working with partners and tools (software, team)