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ENBIS Challenge 2009 Thomas Mühlenstädt Institut für Mathematische Statistik und industrielle Anwendungen. New Configurations: 4 GB RAM 2.4 GHz 17‘ Screen. Configuration:. Further comments on Configurations: No differences between stores
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ENBIS Challenge 2009 Thomas Mühlenstädt Institut für Mathematische Statistik und industrielle Anwendungen
New Configurations: 4 GB RAM 2.4 GHz 17‘ Screen Configuration: • Further comments on Configurations: • No differences between stores • 864 possible combinations • No empty class • Costumers prefer „medium“ configurations
Price / Revenue: Price minimum requirement:£300 15“, 4h Battery, 1 GB RAM, 1.5GHz, 40 GB HD Promotional sales activities: August / September: Increase of daily sales volume: 100 % Increase of daily revenue: 86 % December: Increase of daily sales volume: 78 % Increase of daily revenue: 70 % Store: No influence Time: Decreasing trend, depending on memory Discount?: 5 stores granted discount of approx 30% during March, June, September, December Second and Third Jump: Marketing, Price? New Configurations: 4 GB RAM 2.4 GHz 17‘ Screen
Spatial topics: • Map of London • Location of Stores: • „big“ stores • „medium“ stores • „small“ stores • population density plot • Conclusions: • Some stores might be better • Location not always good Revenue per day in each store: Big differences between stores
Conclusions: • Configurations: • Offer more hard ware • Also „smaller“ specifications • Price / Revenue: • Discounts not effective, • Revenue increased two times • Store locations: • Concentrate on „big“ shops • Some stores might perform better • Some stores are not located very good • Use of data: • More connotation