Q Matrix Variables
Use this field to specify those variables containing the columns of the Q matrix; that is, the matrix containing population assignments. Alternatively, a matrix containing principal components analysis (PCA) assignments can be used (Zhao et al. 2007). These variables are used as fixed effectsin the model.
To Specify One or More Q Matrix Variables:
| 8 | Specify the SNP Data Set. |
All of the variables in the specified input data set are displayed in the Available Variables field.
| 8 | Examine the list of available variables. |
| 8 | Highlight the desired variables. Left-click a single variable, or hold down while left-clicking to select multiple variables. |
| 8 | Click  to add the highlighted variable(s) to the Q Matrix Variables field, as shown below: |
