- plsgenomics::ColonGene expression data from Alon et al. (1999)
- plsgenomics::EcoliEcoli gene expression and connectivity data from Kao et al. (2003)
- plsgenomics::SRBCTGene expression data from Khan et al. (2001)
- plsgenomics::leukemiaGene expression data from Golub et al. (1999)