Fig. 4From: Using nontargeted LC-MS metabolomics to identify the Association of Biomarkers in pig feces with feed efficiency Assessing the weight of nine metabolites using Lasso regression analysis. A ROC curve of the training set (red) and the test set (green). B Regression coefficients of nine metabolites in the Lasso model. The y-axis of the graph on the right represents metabolites, and the x-axis represents the regression coefficient of metabolitesBack to article page