Prospecting for gems in credit card data |
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| Authors: | Hand David J; Blunt Gordon |
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| Institution: |
1 Department of Mathematics, Imperial College, 180 Queen's Gate, London SW7 2BZ, UK 2 Barclaycard, 1234 Pavilion Drive, Northampton NN4 7SG, UK
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| Abstract: | After a brief high-level discussion of the nature of data mining,this paper describes some of our experiences in mining creditcard transaction data. We illustrate the use of simple graphicaltools for unearthing unexpected patterns and relationships,and show how more sophisticated modelling can build on suchdiscoveries. |
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| Keywords: | credit cards transaction data customer behaviour data quality |
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