Research Article
Correlation-Based Ensemble Feature Selection Using Bioinspired Algorithms and Classification Using Backpropagation Neural Network
| | S. no | Feature | Description | Data type |
| | 1 | ID | Patient identification number | Numerical | | 2 | Diagnosis | Malignant or benign | Character |
| | 3 | Radius (mean) | Mean of distances from centre to points on the perimeter | Real | | 4 | Radius (error) | Real | | 5 | Radius (worst) | Real |
| | 6 | Texture (mean) | Standard deviation of grey scale values | Real | | 7 | Texture (error) | Real | | 8 | Texture (worst) | Real |
| | 9 | Perimeter (mean) | Perimeter of cell nucleus | Real | | 10 | Perimeter (error) | Real | | 11 | Perimeter (worst) | Real |
| | 12 | Area (mean) | Area of cell | Real | | 13 | Area (error) | Real | | 14 | Area (worst) | Real |
| | 15 | Smoothness (mean) | Local variation in radius lengths | Real | | 16 | Smoothness (error) | Real | | 17 | Smoothness (worst) | Real |
| | 18 | Compactness (mean) | (perimeter^2/area—1.0) | Real | | 19 | Compactness (error) | Real | | 20 | Compactness (worst) | Real |
| | 21 | Concavity (mean) | Severity of concave portions of the contour | Real | | 22 | Concavity (error) | Real | | 23 | Concavity (worst) | Real |
| | 24 | Concave (mean) | Number of concave portions of the contour | Real | | 25 | Concave (error) | Real | | 26 | Concave (worst) | Real |
| | 27 | Symmetry (mean) | Measure of cell symmetry | Real | | 28 | Symmetry (error) | Real | | 29 | Symmetry (worst) | Real |
| | 30 | Fractal dimension (mean) | (“Coastline approximation”—1) | Real | | 31 | Fractal dimension (error) | Real | | 32 | Fractal dimension (worst) | Real |
|
|
