Here, we built a new PCA-based procedure for both assignment of individual cases to specific WHO diagnostic subgroups and identification of the most informative markers in differentiating among them.

A good way to see where this article is headed is to take a look at the screen shot of a demo program shown in Figure 1. The demo sets up a dummy dataset of six items: [ 5.1 3.5 1.4 0.2] [ 5.4 3.9 1.7 ...