Summarize subgroups with at least this many subjects Specify the number of subjects a subgroup must have in the selected population in order to summarize. To Specify the Cutoff: Either enter the desired value in the text field or move the slider to the right or to the left to change the value. Tip : To change the scale of the slider, right-click on the slider and select Rescale Slider from the pop-up menu. Change the upper or lower boundaries in the that appears, to rescale the slider and click OK .