Fig. 2
From: Sarcopenia: investigation of metabolic changes and its associated mechanisms
A Score plot from the orthogonal partial least square discriminant analysis (oPLS-DA) showing complete group separation from non-sarcopenic (red circles) and sarcopenic (green circles) subjects (95% confidence ellipses are shaded around each group). B Score plot from the sparse partial least square discriminant analysis (sPLS-DA) depicting group separation to a great extent on PC 1 (x-axis) and to a large extent using PC1 and PC2 from non-sarcopenic (red circles) and sarcopenic (green circles) subjects (95% confidence ellipses are shaded around each group). C Variable importance in projection (VIP) scores plot from the orthogonal partial least square discriminant analysis (oPLS-DA) presenting the metabolites driving the separation between the non-sarcopenic group and the sarcopenic group. D Loadings plot from the sparse partial least square discriminant analysis (sPLS-DA) ranking the metabolites with the highest loadings weight in the model responsible for driving the separation between the non-sarcopenic group (0) and the sarcopenic group [1]