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Chapter 5 Properties and Characteristics of Data 157
Assigning Properties to Columns
Figure 5.30 Capability Analysis Using Spec Limits Found Within a Column
If you have given column spec limits, JMP
will use them to create a capability analysis
when it is selected from a distribution
output report
5 Data Properties
Control Limits Lets you select a control chart type and then enter the values you want to use for
average (Avg), lower control limit (LCL), and upper control limit (UCL) for each chart. If you do
not enter a value for Avg, LCL, and UCL, then JMP includes a calculated value in the control
chart for any of these three values that you did not specify. These values will be saved with the
column and automatically used when you run an analysis using Graph > Control Chart.
Response Limits Lets you define response column values for use in analyses such as those
displaying the prediction and contour profilers or DOE. You can specify values for the lower,
middle, and upper limits, and desirability values, as shown in Figure 5.31. You can also select
Maximize, Match Target, Minimize, or None, which are possible goals for a DOE response
variable. If you have two responses, you can enter an importance value, which lets JMP know
how to weigh one response’s importance against another’s.
Figure 5.31 Defining Response Column Values
Click to select a goal for the
response variable. For example, if
you are in the prediction profiler
and want the desired value to be
close to zero, select Match Target
When you have two responses,
enter a number to indicate the
amount of weight you want this
response to have when JMP
computes the overall desirability
Enter the lower, middle and
upper limits as well as the
desirability values