Publication date: 08/13/2020

Output Options

Specify details for the output data table in the Output Options panel. When you have finished, click Make Table to construct the data table for the design. Figure 9.17 shows the Output Options panel for a standard design selected from the Design List. For a main effects screening design, only Run Order is available.

Figure 9.17 Select the Output Options 

Run Order

The Run Order options determine the order of the runs in the design table. Choices include the following:

Keep the Same

Rows in the design table are in the same order as in the Coded Design or Design outlines.

Sort Left to Right

Columns in the design table are sorted from left to right.

Randomize

Rows in the design table are in random order.

Sort Right to Left

Columns in the design table are sorted from right to left.

Randomize within Blocks

Rows in the design table are in random order within the blocks. (Not available if you select Construct a main effects screening design.)

Center Points and Replicates

Number of Center Points

Specifies how many additional runs to add as center points to the design. A center point is a run where every continuous factor is set at the center of the factor’s range. This option is not available if you select Construct a main effects screening design.

Suppose that your design includes both continuous and categorical factors. If you request center points in the Output Options panel, the center points are distributed as follows:

1. The settings for the categorical factors are ordered using the value ordering specified in the Factors outline.

2. One center point is assigned to each combination of the settings of the categorical factors in order, and this is repeated, until all center points are assigned.

Number of Replicates

For designs in the Design List, specify the number of times to replicate the entire design, including center points. One replicate doubles the number of runs. This option is not available if you select Construct a main effects screening design.

Note: If you request center points or replicates and click Make Table repeatedly, these actions are applied to the most recently constructed design table.

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