Fig. 3From: Discrimination of indoor versus outdoor environmental state with machine learning algorithms in myopia observational studiesa The ROC curves of SVM (model A) and univariate threshold segmentation method for identifying indoor/outdoor locations of Testing group A. b The ROC curves of SVM (model A) and univariate threshold segmentation method for identifying indoor/outdoor locations of Testing group B. c The ROC curves of SVM (model B) and univariate threshold segmentation method for identifying indoor/outdoor locations of Testing group BBack to article page