This breast cancer databases was obtained from the University of Wisconsin Hospitals, Madison from Dr. William H. Wolberg (January 8, 1991).
Number of Attributes: 10 plus the class attribute.
Attribute Information:
Attribute Domain
1. Sample code number id number
2. Clump Thickness 1 - 10
3. Uniformity of Cell Size 1 - 10
4. Uniformity of Cell Shape 1 - 10
5. Marginal Adhesion 1 - 10
6. Single Epithelial Cell Size 1 - 10
7. Bare Nuclei 1 - 10
8. Bland Chromatin 1 - 10
9. Normal Nucleoli 1 - 10
10. Mitoses 1 - 10
11. Class: (2 for benign, 4 for malignant)
Each instance has one of 2 possible classes: benign or malignant.
Original Number of Instances: 699.
Missing attribute values: 16.