303982.fig.004a
(a)
303982.fig.004b
(b)
Figure 4: Performance of LASSO classifier using 4 metabolites and 4 clinical features. ROC curve and convex hull for our final “4 metabolite + survey questions” predictor, on the (a) training data (resubstitution error) and (b) testing (evaluation) data, both during cross-validation. The overall performance of the 3 tested fecal tests is also shown.