www.imsd.ch "50 Shades of Truth: Visualisation and Communication of Uncertainty" Rodolphe Dewarrat & Vera Gärttling, IMSD
www.imsd.ch • Issue • Decision to use analytics • Data • Preprocessing • Algorithms • Raw results • Interpretation of results • Action
www.imsd.ch Available Data and Truth: percentage of relevant information available
www.imsd.ch 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 Visit the booth of the swiss statistical society
www.imsd.ch The best analytical method ADF 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
www.imsd.ch The best analytical method ADF interface • Trained for millenaries to recognize patterns
www.imsd.ch The human visual system • Today probably our best brain to machine interface • Trained for millenaries to recognize patterns instantly
www.imsd.ch Example 1 of 4 Aircraft section plot
www.imsd.ch Example 2 of 4
www.imsd.ch Example 3 of 4 Uncertain radar plot Customers Customers 1 8 0.75 6 0.5 Suppliers Employees Suppliers Employees 4 0.25 2 0 Management Management Stock holders Stock holders satisfaction satisfaction
www.imsd.ch Example 4 of 4 100% SC plot JU 80% 100% 60% 80% churn 40% 60% 10k BE VD FR VD BE JU ZU 40% FR 80k ZH FR VD BE JU ZH 60k canton 40k 1 1cm 2 = 10k customers FR VD BE JU ZU
www.imsd.ch 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) that allow you a high flexibility in your data representation. Thank you for your attention contact: rodolphe.dewarrat@imsd.ch twitter: @imsd_analytics
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