BBVA Innova challenge Big Data https://www.centrodeinnovacionbbva.com
BBVA contest. Credit card transactions stats in Barcelona and Madrid between Nov-2012 and Apr-2013
Zipcodes: Give a zone identifier and a commercial category, it returns the top postal codes where the clients with the most payments, unique cards and total spent originate.
Predicted field "Incomes" is the total income in a location (Seller Zipcode) and month, grouped by Commercial Category and Buyer Zipcode.