If you want to analyze a design, you must store it in the worksheet. By default, Minitab stores the design. If you want to examine the properties of various designs, such as alias structures before selecting the design you want to store, choose Store design in worksheet.and deselect
If you name the factors, Minitab displays these names in the worksheet. If you did not provide names, Minitab names the factors alphabetically. After you create the design, you can change the factor names directly in the Data window or with Modify Design. To open Modify Design, choose .
If you did not assign factor levels in the Factors sub-dialog box, Minitab stores factor levels in coded form (all factor levels are -1 or +1). If you assigned factor levels, the uncoded levels display in the worksheet. After you create the design, you can change the factor levels with Modify Design.
When you create a design using Create Factorial Design, Minitab stores the appropriate design information in the worksheet. To open Create Factorial Design, choose . Minitab needs this stored information to analyze and plot data. If you want to use Analyze Factorial Design, you must follow certain rules when modifying the design information in the worksheet. If you do not, you may corrupt your design. To open Analyze Factorial Design, choose .