Optionally select points in a graph, and click this button to create custom subsets based on specified mean differences or p-value cutoffs that you specify in a window that appears. Each probe with at least one of the results1 satisfying all of the cutoff criteria specified (Mean Difference Filter Cutoff, Direction of the Cutoff, and -log10(p-value) Cutoff fields) is placed in the subset data set.
Specified using the Select One or More Mean Difference Columns field in the window that appears after you click this action button.