Displays a dialog box where you can change the fractile set for the active simulation data file.
The fractile set is used in tables, plot legends, contingency calculations etc.
If you change the fractile set, this new set is used until you close the file, or change the settings again.
Note that you can change the default set of fractiles by using the “Data file options…” command of the “Preferences” submenu in the “File menu”.