Specify the low and high factor levels for each process variable for Define Custom Mixture Design

Stat > DOE > Mixture > Define Custom Mixture Design > Low/High

Specify the values of the process variable levels and how the data are recorded in the worksheet.

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 to specify whether the process variables are numeric or text.
Low
Enter the value for the low setting of each process variable.
High
Enter the value for the high setting of each process variable.
Worksheet Data Are
  • Coded: High and low levels of numeric factors are coded as -1 and 1. Text factors are coded with numbers instead of text.
  • Uncoded: High and low levels of the numeric factors are in the units of the data. Levels for text factors are text.