Research Article
The Chaotic Attractor Analysis of DJIA Based on Manifold Embedding and Laplacian Eigenmaps
Table 1
Comparison between original MACD and noise-filtered series.
| Denoise methods | Threshold | Statistical test | Lev1 | Lev2 | Lev3 | S_I | N_I | SN_I |
| Original signal | — | — | — | 85.798 | 0 | 85.798 | Unscaled denoise | 3.865 | 3.865 | 3.865 | 80.871 | 2.847 | 83.7180 | White denoise | 34.039 | 39.521 | 54.711 | 75.311 | 7.144 | 82.455 | No-white denoise | 288.649 | 121.691 | 54.039 | 72.844 | 15.611 | 88.455 |
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