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Chapter 5 Properties and Characteristics of Data 159
Assigning Properties to Columns
Factor changes information appears on the right.
Figure 5.33 Choosing a Factor Change
5 Data Properties
3 Click the Factor Changes drop-down menu and select the option that specifies how you want JMP
to use the factor column: Easy, Hard, or Very Hard.
4 Click OK. The properties icon ( ) now appears next to the column name in the data table’s
column panel, indicating the column contains a property.
Assigning Sigma Values to Columns
You can enter a known Sigma to be saved with the column to be used by applications, such as control
charts, that require a Sigma value to complete computations. If no value is supplied, Sigma is calculated
from the sample.
To assign a value to Sigma
1 Double-click the column name in the data grid. The Column Info window appears.
2 Select Sigma from the Column Properties drop-down menu.
3 Type the value to be used for Sigma into the text box shown in Figure 5.34.