19. The method of claim 13 , wherein the objects comprise the intensities of one or more features and/or one or more peaks in mass spectrometry data.
19. The method of claim 13 , wherein the objects comprise the intensities of one or more features and/or one or more peaks in mass spectrometry data. 20. The method of claim 19 , wherein the objects in the training set comprise test data obtained from two classes of patients: 1) a first class of patients exhibiting an adverse health condition and 2) a second class of patients that do not share the adverse health condition, and wherein the classes assigned to the objects correspond to the two classes of patients.