| Article ID: | iaor2008425 |
| Country: | United Kingdom |
| Volume: | 12 |
| Issue: | 2 |
| Start Page Number: | 173 |
| End Page Number: | 200 |
| Publication Date: | Oct 2001 |
| Journal: | IMA Journal of Management Mathematics (Print) |
| Authors: | Hand David J., Blunt Gordon |
| Keywords: | finance & banking |
After a brief high-level discussion of the nature of data mining, this paper describes some of our experiences in mining credit card transaction data. We illustrate the use of simple graphical tools for unearthing unexpected patterns and relationships, and show how more sophisticated modelling can build on such discoveries.