Research Article
Density Peaks Clustering Based on Feature Reduction and Quasi-Monte Carlo
Table 9
The comparison of NMI on UCI data sets.
| Data sets | Dimension | Algorithm | QMC-DPC (PCA) | QMC-DPC (AE) | QMC-DPC (t-SNE) |
| Iris | 2 | 0.677 | 0.787 | 0.771 | 3 | 0.783 | 0.709 | 0.947 | 4 | 0.709 | 0.703 | 0.362 |
| Wine | 2 | 0.523 | 0.558 | 0.517 | 3 | 0.437 | 0.435 | 0.248 | 4 | 0.377 | 0.470 | 0.384 |
| Segment | 2 | 0.751 | 0.612 | 0.529 | 3 | 0.321 | 0.296 | 0.468 | 4 | 0.013 | 0.324 | 0.343 |
| Wpbc | 2 | 0.036 | 0.053 | 0.027 | 3 | 0.018 | 0.012 | 0.023 | 4 | 0.733 | 0.562 | 0.569 |
| Waveform | 2 | 0.426 | 0.396 | 0.323 | 3 | 0.515 | 0.504 | 0.523 | 4 | 0.207 | 0.368 | 0.431 |
| Breast | 2 | 0.073 | 0.062 | 0.068 | 3 | 0.049 | 0.018 | 0.058 | 4 | 0.021 | 0.018 | 0.039 |
| Landsat | 2 | 0.531 | 0.590 | 0.555 | 3 | 0.430 | 0.598 | 0.605 | 4 | 0.492 | 0.539 | 0.458 |
| Pima | 2 | 0.061 | 0.004 | 0.007 | 3 | 0.002 | 0.001 | 0.002 | 4 | 0.035 | 0.040 | 0.005 |
| Zoo | 2 | 0.811 | 0.796 | 0.822 | 3 | 0.784 | 0.735 | 0.786 | 4 | 0.762 | 0.713 | 0.722 |
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