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 methodsThresholdStatistical test
Lev1Lev2Lev3S_IN_ISN_I

Original signal85.798085.798
Unscaled denoise3.8653.8653.86580.8712.84783.7180
White denoise34.03939.52154.71175.3117.14482.455
No-white denoise288.649121.69154.03972.84415.61188.455