图5. OPLS-DA模型打分图 图中2种颜色分别代表2种样本分组,每个矩形代表这一个样本的代谢组降维处理后投射在二维平面上的位置
Fig. 5. OPLS-DA model score plot In the figure, the two colors represent two sample groups, respectively. Each rectangle represents the position projected on the two-dimensional plane after the metabolome dimension reduction treatment of this sample