From: FML-kNN: scalable machine learning on Big Data using k-nearest neighbor joins
Curve | Classification | Regression | ||||
---|---|---|---|---|---|---|
Accuracy (%) | F-Measure | Wall-clock time | RMSE | R⌃2 | Wall-clock time | |
z-order curve | 70.24 | 0.775 | 1 m 20 s | 18.86 | 0.64 | 0 m 59 s |
Hilbert curve | 70.54 | 0.78 | 1 m 32 s | 18.69 | 0.66 | 1 m 15 s |
Gray-code curve | 70.4 | 0.777 | 1 m 25 s | 18.81 | 0.64 | 1 m 5 s |