Use this parameter to indicate marker variables with genotypes that have been coded numerically to include in the analysis. The selected relationship metric for all pairs of observations (rows) is computed across these SNPs.All of the variables in the specified input data set are displayed in the Available Variables field.
Highlight the variables listing the marker genotypes. Left-click a single variable, or hold down while left-clicking multiple variables.
Click to add the highlighted variable(s) to the SNP Variables field, as shown below: