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Chapter 3 Entering, Editing, and Managing Data 49
Elements of JMP Data Tables
Elements of JMP Data Tables
JMP data are organized into rows and columns referred to as the data table. A data table has two parts,
as shown in Figure 3.1: the data table panels and the data grid.
Figure 3.1 Parts of a Data Table
Data table panels
Data grid
3Entering Data
The data table has the following characteristics:
• Column names can contain any keyboard character, including spaces, and can be up to 255
characters long.
• The maximum length of the data table’s name depends on your computer’s operating system.
• Change the default size and font for names and values selecting File > Preferences > Fonts. (On
the Macintosh, select JMP > Preferences > Fonts.)
• Column names automatically wrap in the column name area to accommodate the column width
you specify.
• Move column boundaries and enlarge the column to view long values. Adjust widths of all selected
columns at once by pressing the Alt key (Option key on the Macintosh and Shift-Alt on Linux) as
you drag the double arrow cursor on any of the selected column boundaries.
• There is no limit to the number of rows or columns in a data table. However, the table must fit in
your computer’s memory.
The Data Table Panels
There are three data table panels—the table panel, the columns panel, and the rows panel. The data
table panels are arranged to the left of the data grid, as shown in Figure 3.2. These panels contain