By default, Minitab sorts a column if the number of rows is less than or equal to the number of rows in the design. For columns with fewer rows than the design, Minitab enters missing value symbols (*) in the empty cells. Minitab does not reorder columns that have more rows than the design.
Under Do not reorder the following columns, enter the columns that you do not want Minitab to reorder. You can only enter columns that are not included in the design.
In this table, the design columns are the first 6 columns (C1–C6) and would be reordered. The additional columns that have the same or fewer rows than the design columns (C7 and C8) would be reordered, unless you specify them. C9 has more rows than the design columns and cannot be reordered.