1. VIGoR::X
    An example of SNP genotypes (explanatory variables)
    csv| json| rda| rds
    matrix|500 x
  2. VIGoR::Y
    An example of response variables.
    json| rda| rds
    numeric
  3. VIGoR::Z
    An example of fixed effects (explanatory variables)
    csv| json| rda| rds
    matrix|500 x