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138 Properties and Characteristics of Data Chapter 5
Assigning Characteristics to Rows and Columns
Locking Columns in Place
You can scroll lock a column in place so when you scroll horizontally, the column remains visible. The
name of a locked column is shown in italics in the columns panel to the left of the data grid.
• Scroll locked columns are moved to the left in the data table. Once you unlock them, they are not
moved back to their original locations in the data table, but instead remain on the left.
• Columns remain scroll locked until you highlight the columns and select Scroll Lock/Unlock again.
This menu option is a toggle. Selecting Scroll Lock/Unlock once locks the highlighted columns.
Highlighting locked columns and selecting Scroll Lock/Unlock again turns the option off so that
the columns are no longer locked.
To apply a scroll lock to a column
1 Highlight one or more columns that you want to scroll lock. Note that hidden columns cannot be
scroll locked.
2 Select Scroll Lock/Unlock from the Cols menu. (See Figure 5.9.)
To unlock a column
1 Highlight the scroll locked columns that you no longer want scroll locked.
2 Select Scroll Lock/Unlock from the Cols menu. (See Figure 5.9.)
Figure 5.9 Applying Scroll Lock
Giving Columns a Preselected Analysis Role
You can assign an analysis role, such as x, y, weight, or frequency, to a selected column and save the role
with the data table. When you do this and then run an analysis, JMP uses the preselected role to
automatically fill in the role boxes in windows so you do not have to specify these roles each time. For
example, if you want a column named height to take the x role in every analysis you conduct with a
particular data table, you assign it the preselected role of x.