pca3d (version 0.10.2)

metabo: Metabolic profiles in tuberculosis.

Description

Relative abundances of metabolites from serum samples of three groups of individuals

Details

A data frame with 136 observations on 425 metabolic variables.

Serum samples from three groups of individuals were compared: tuberculin skin test negative (NEG), positive (POS) and clinical tuberculosis (TB).

References

Weiner J 3rd, Parida SK, Maertzdorf J, Black GF, Repsilber D, et al. (2012) Biomarkers of Inflammation, Immunosuppression and Stress Are Revealed by Metabolomic Profiling of Tuberculosis Patients. PLoS ONE 7(7): e40221. doi:10.1371/journal.pone.0040221

Examples

# NOT RUN {
 data(metabo)
 # maybe str(metabo) ; plot(metabo) ...
 pca <- prcomp( metabo[,-1] )
# }