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274 Summarizing Data Chapter 8
Tabulating Data
Figure 8.12 Tabulating by Adding Columns as Columns by Categories
Clicking and Dragging Items
Each column heading has two zones: the upper and the lower. As you drag each column heading into a
zone, the cursor transforms into a rectangle to indicate that you can drop the column heading at that
position.
• Dropping in the upper zone places the new items above (before) the items on which the addition is
dropped.
• Dropping in the lower zone places the addition below (after) the items on which the addition is
dropped.
Each row label has two zones: the left and the right:
• Dropping in the left zone puts the new items to the left (before) of the items dropped on.
• Dropping in the right zone puts them to the right (after) of the items dropped on.
Note: You can drag columns from the Tables panel in the data table onto a Tabulate table instead of
using the Tabulate Control Panel.
In a properly created table, all grouping columns are together, all analysis columns are together, and all
statistics are together. Thus, JMP will not intersperse a statistics keyword within a list of analysis
columns. Neither will it insert an analysis column within a list of grouping columns.
If the items’ role is obvious, such as keywords or character columns, when you drag and drop, JMP
populates the table automatically with the given items. Otherwise, a popup menu lets you choose the
role for the items. Roles included on the popup menu are:
• Add Grouping Columns Choose Add Grouping Columns if you want to use the variables to
categorize the data. For multiple grouping columns, Tabulate will create a hierarchical nesting of the
variable.