Echinacea purpurea

Sample: #1 upper stem

Scatterplot matrix checks reproducibility of the data across different biological replicates of a sample.
Metabolomics data are logged (base 2). High correlation values indicate highly reproducible signals across two replicates.
Each circle represents a metabolite.
Metabolites detected in only one of a pair of replicates are indicated as circles parallel to the x- and y-axis.