LRRK2 and Parkinson disease: Following training, we evaluated the ROC AUC on the test set in three ways: first with both sporadic and LRRK2 PD (n = 37 participants) vs. all controls (n = 37 participants), then with the sporadic PD (n = 31 participants) vs. all controls (n = 37 participants), and then with LRRK2 PD (n = 6 participants) vs. all controls (n = 37 participants).