Number of Random Splits Use this option to specify the number of random splits to make. Note : This option is available only when the Randomly split the data box is checked. To Specify the Number of Random Splits to Make: Either type 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 and/or lower boundaries in the window that appears, to rescale the slider and click OK .