Dataset | Original | '+2D' (Euclidean) | '+2D' (chi-square 1) | '+2D' (chi-square 2) | '+2D' (Mahalanobis) |
---|---|---|---|---|---|
Abalone | 2.5273 | 2.8020 | 3.1738 | 3.7065 | N/A* |
Balance Scale | 2.0935 | 2.1123 | 2.1140 | 2.1368 | 2.8583 |
Tic-Tac-Toe Endgame | 0.0664 | 1.1179 | 9.4688 | 12.8428 | 9.0126 |
German | 0.3159 | 0.4273 | 0.3343 | 0.4196 | 1.6975 |
Hayes-Roth | 1.6091 | 1.6979 | 1.7319 | 1.6982 | 2.7219 |
Ionosphere | 1.6315 | 2.2597 | 2.7730 | 1.6441 | N/A* |
Iris | 32.5495 | 48.2439 | 49.7429 | 53.8480 | 54.1035 |
Teaching assistant evaluation | 0.3049 | 0.3447 | 0.3683 | 0.3798 | 0.6067 |