1. MatrixEQTL::Covariates
    Artificial data for Matrix eQTL sample code: Covariates.
  2. MatrixEQTL::GE
    Artificial data for Matrix eQTL sample code: Gene expression.
  3. MatrixEQTL::SNP
    Artificial data for Matrix eQTL sample code: Genotype.
  4. MatrixEQTL::geneloc
    Artificial data for Matrix eQTL sample code: Gene location file.
  5. MatrixEQTL::snpsloc
    Artificial data for Matrix eQTL sample code: SNP location file.