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. Author manuscript; available in PMC: 2015 Jan 1.
Published in final edited form as: Artif Intell Med. 2013 Nov 23;60(1):65–77. doi: 10.1016/j.artmed.2013.11.003

Figure 1.

Figure 1

A comparison of the CADx approach previously used in the literature (A) and our CADx methodology proposed in this study (B). Note the splitting of the data into training and test sets at different stages in each approach. Our proposed methodology limits the application of dimension reduction to the training data alone, thus preserving the integrity (independence) of the test set.