prostateTMrisk, diabetes1 and diabetes2. The prostateTMrisk is the differential metabolites from the study of Sreekumar et al., the diabetes1 from text mining and the diabetes2 is the differential metabolite set from the study of Suhre et al.. These three example datasets can be obtained by the function GetExampleData.Suhre, K., Meisinger, C., Doring, A., Altmaier, E., Belcredi, P., Gieger, C., Chang, D., Milburn, M.V., Gall, W.E., Weinberger, K.M. et al. (2010) Metabolic footprint of diabetes: a multiplatform metabolomics study in an epidemiological setting. PLoS ONE, 5, e13953.