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.
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Highlight the variables containing the distance measurements. To highlight multiple variables at once, hold down while left-clicking on them.
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Clickto add the highlighted variables to the Distance Variables field, as shown below: