Stat > DOE > Mixture > Define Custom Mixture Design > Low/High
Allows you to specify the process variable levels.
Low and High Values for Process Variables
Process Var.: Shows the process variable letter designation. This column does not take any input.
Name: Shows the name of the process variables. This column does not take any input.
Type: Choose either numeric or text for each process variable.
Low: Enter the value for the low level for each process variable.
High: Enter the value for the high level for each process variable.
Worksheet data are
Coded: Choose if the worksheet data are in coded form (-1 = low; +1 = high).
Uncoded: Choose if the worksheet data are in uncoded form. That is, the worksheet values are in units of the actual measurements.