Historical Information

JMP Support 800.450.0135 (US)

Documentation Feedback
Your feedback is important to us. us any comments about our documentation.

Quality and Process Methods • Process Capability • Launch the Process Capability Platform • Historical Information

•

Historical Information

Use this outline to assign historically accepted values of the standard deviation to variables in the Y, Process list.

1.

Select a variable or variables in the Y, Process list.

2.

Enter a value next to Set Historical Sigma.

3.

Select Use Historical Sigma to assign that value to the selected variables.

The specified value appears in parentheses in the expression “&Sigma()” to the right of the variable names in the Y, Process list.

Note: If you set a historical sigma, then subgroup assignments for the selected process variable are no longer relevant and are removed.

•

Help created on 7/12/2018