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. 2013 Jan 7;8(1):e53225. doi: 10.1371/journal.pone.0053225

Figure 3. Comparison of the results from FFNN and FD models.

Figure 3

The prediction error Inline graphic as a function of the number of units Inline graphic Inline graphic and optimal decay parameterInline graphic Inline graphic = 0.05 for the FFNN in the presence (S = T) and absence (S = F) of the skip-layer is shown in (a). The prediction error for the FD regression model obtained using the LOO approach is also shown for comparison in (a). The residuals as a function of the predicted values obtained using the LOO approach in the log-scale for the FD model and FFNN Inline graphic are shown in (b) and (d) respectively. The corresponding scatter plots are shown in (c) and (e) respectively.