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Fig. 4 | BMC Bioinformatics

Fig. 4

From: metaX: a flexible and comprehensive software for processing metabolomics data

Fig. 4

QC charts generated by metaX. a The sum intensity of all features per sample before normalization over the analysis time (injection order). b The sum intensity of all features per sample after normalization over the analysis time (injection order). c The number of features per sample over the analysis time (injection order). d The score plot of PCA for the raw feature intensity data. e The score plot of PCA for the normalized data

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