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. 2017 Jul 11;18:335. doi: 10.1186/s12859-017-1743-4

Fig. 7.

Fig. 7

The AUC of the ROC curve versus the number of features in the initial model. In the logistic model, we sequentially include one more feature starting from x 0 to x 74 in Table 1 (the number of features is shown by the x-axis), and calculated each AUC (shown by the y-axis) using the L 1-regularized method