Use this field to specify the variables in the Input SAS Data Set containing the distance measurements.Important : The Input SAS Data Set should be in the form of a square matrix containing the distances.All of the variables in the specified data set are displayed in the Available Variables field.
Highlight the variables containing the distance measurements. To highlight multiple variables at once, hold down while left-clicking on them.
Click to add the highlighted variables to the Distance Variables field, as shown below: