The Pedigree ID field is used to specify the variable containing the different pedigrees in your data set.Note : This option cannot be specified if either the Compute Q Variables from PCA or the Compress the K matrix box is checked.All of the variables in the specified input data set are displayed in the Available Variables field.
Click to add the highlighted variable(s) to the Pedigree ID field, as shown below:Note : Leave the field blank if all of the individuals are from the same pedigree.