SPA.example:  An example data set
Description
The example data set containts fomatted phenotype and genotype data.Format
The format is:
List of 2
 $ pheno: Named num [1:500] 1.74 1.25 1.53 1.94 1.73 ...
  ..- attr(*, "names")= chr [1:500] "1" "2" "3" "4" ...
 $ geno : int [1:500, 1:4] 1 1 0 0 0 0 0 0 0 0 ...
  ..- attr(*, "dimnames")=List of 2
  .. ..$ : chr [1:500] "1" "2" "3" "4" ...
  .. ..$ : chr [1:4] "X634820282" "X634820324" "X632197333" "X632197358"