Number of Bins for Continuous Variables Use this option to specify the number of bins to use for discretizing the continuous variables. To Specify the Number of Bins: Either enter the number of bins desired in the text field or move the slider to the right or to the left to specify a 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 and/or lower boundaries in the window that appears, to rescale the slider and click OK.