ADdata contains 3 objects related to metabolomics data on patients with Alzheimer's Disease (AD).
ADmetabolites is a matrix containing metabolic expressions of 230 metabolites (rows) on 127 samples (columns).
sampleInfo is a data.frame containing information on the samples.
Information pertains to diagnosis: AD class 1 or AD class 2.
variableInfo is a data.frame containing information on the metabolic features.
Information pertains to compound families: Amines, organic acids, lipids, and oxidative stress compounds.