Research Article
Relationship Matrix Nonnegative Decomposition for Clustering
Table 3
Clustering accuracy and normalized mutual information of
-means, spectral clustering (SpeClus), SNMF, WNMF, and RMND on the
Reuters dataset.
| Cluster number | Clustering accuracy | Normalized mutual information | | -means | SpeClus | SNMF | WNMF | RMND | -means | SpeClus | SNMF | WNMF | RMND |
| 2 | 0.6325 | 0.7909 | 0.7665 | 0.7023 | 0.8457 | 0.1621 | 0.4119 | 0.3322 | 0.2584 | 0.5294 | 3 | 0.5536 | 0.6926 | 0.6857 | 0.6538 | 0.8022 | 0.2427 | 0.4999 | 0.4916 | 0.4391 | 0.6242 | 4 | 0.5301 | 0.6216 | 0.5766 | 0.5375 | 0.6634 | 0.2893 | 0.5064 | 0.4138 | 0.3097 | 0.5291 | 5 | 0.4366 | 0.5888 | 0.5635 | 0.4632 | 0.5817 | 0.2325 | 0.5567 | 0.4754 | 0.2950 | 0.5047 |
| ave. | 0.5382 | 0.6735 | 0.6506 | 0.5892 | 0.7233 | 0.2328 | 0.4937 | 0.4283 | 0.3246 | 0.5469 |
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