Fig. 4From: Time series of chicken stool metagenomics and egg metabolomics in changing production systems: preliminary insights from a proof-of-conceptMetabolomics profiles of eggs. a PCA of batch-corrected areas on ANOVA prefiltered features derived from untargeted HPLC–MS of eggs. b Projections of the four different trained LDA classifiers. Visualization includes the training data. c Batch-corrected peak areas of driving features we were able to identify with targeted MS/MSBack to article page