Use this field/slider to specify the number of grid points to compute for each learning curve , including the two endpoints.The points are spaced logarithmically between the minimum and maximum sizes specified below ( Minimum Size of Training Set and Maximum Size of Training Set , respectively). Learning curves are generated using random subsets with size corresponding to each grid point.Tip : To change the scale of the slider, right-click on the slider and select from the pop-up menu. Change the upper and/or lower boundaries in the window that appears, to rescale the slider and click .