Research Article

A Novel Flexible Model for the Extraction of Features from Brain Signals in the Time-Frequency Domain

Figure 8

Goodness of fit for each iteration. (a) Cost function value ( ). (b) Coefficient of determination and adjusted . Apparently, the data require the flexibility of a model with at least . Adding further points does not improve the model as much anymore and therefore is a reasonable choice.
759421.fig.008a
(a)
759421.fig.008b
(b)