Grouping variable labels can be relocated to another position on the graph. The Group X labels can be either on the top or the bottom of the graph. The Group Y labels can be either on the right or the left of the graph.
To relocate a Group X label, right-click on the variable in the Group X zone and select X Group Edge > Top or Bottom.
To relocate a Group Y label, right-click on the variable in the Group Y zone and select Y Group Edge > Left or Right.

Help created on 9/19/2017