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. Author manuscript; available in PMC: 2011 May 1.
Published in final edited form as: Neuroimage. 2010 Jan 4;50(4):1519–1535. doi: 10.1016/j.neuroimage.2009.12.092

Table 3.

Numerical results for simulated data regression with four feature extraction methods by RVR and SVR, respectively.

Mean Square Errors
Features Regional Clusters LDA PCA ISOMAP
Methods
RVR 0.001686 0.0018073 0.0019334 0.01017
SVR 0.00287 0.0052233 0.0063355 0.016377
Correlation Coefficients
RVR 0.98438 0.9842 0.9824 0.90386
SVR 0.97763 0.97661 0.97056 0.52889