Mammography dataset

Woods, K., Doss, C., Bowyer, K., Solka, J., Priebe, C., & Kegelmeyer, P. (1993). Comparative Evaluation of Pattern Recognition Techniques for Detection of Microcalcifications in Mammography. International Journal of Pattern Recognition and Artificial Intelligence, 7(6), 1417–1436.

- 11,183 examples
- 260 minority class (calcifications)
- 10,923 majority class