Additional Properties | JMP 13.2

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Using JMP • The Column Info Window • Column Properties • Additional Properties

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Additional Properties

There are two additional properties: Expression Role and Other.

Expression Role

The Expression Role column property applies to columns containing expressions. It specifies whether the expression in the column should be interpreted as a Picture, a Matrix, or an Expression. The default is set to Picture. If the Expression Role is set to Picture and the expression is a picture, then the expression evaluates to a picture and the picture appears in the data table. Otherwise, the expression shows as a JSL expression. Change this setting to alter how expressions are used.

Note: Expression columns that contain images greater than 32KB in size are truncated when saved to Microsoft Excel. Those expression columns are not restored when imported back into JMP.

Select from the following options:

If the expression contains picture data, the column evaluates and the picture is displayed.

If the expression contains a matrix, the column evaluates and the matrix is displayed. Otherwise, the data is displayed as an expression.

If the expression is simply an expression, use this option to display it in the column.

Use Expression when you want to work with an expression that might contain picture data, but you want to prevent JMP from displaying the image.

To drag images into an expression column

1.

Create a new column in a data table.

2.

Double-click the column heading. Change the data type from Numeric to Expression.

3.

4.

Navigate to the website that contains the image that you want in your data table. You can also use an image that is on your computer.

5.

Select the image, and drag it into an empty cell in the Expression column.

Resize the cell to make the image larger.

SAS Offices.jmp shows an example of an Expression column.

Tip: To display the image in a hover label for a graph, add a label to the column.

To add an expression column using Summary

1.

Select Help > Sample Data Library and open CrimeData.jmp.

2.

Select Tables > Summary.

3.

Select State, and click Group.

4.

Select Total Rate, and click Statistics > Histogram.

5.

A new data table appears that contains a new expression column with images of histograms. Resize the row to make images larger.

For more details about Summary, see Summarize Data.

6.

Right-click the Histogram(Total Rate) column, and select Column Info.

Notice the column’s data type is set to Expression.

7.

Select Expression Role from the Column Properties menu.

The Expression Role is automatically set to Picture. In the rare case that a picture needs to be displayed as an Expression, change the setting to Expression.

8.

Expression Role is assigned to the Expression column.

Use the Other column property to create your own column property and assign it any name that you choose. This property is then available for JSL programming.

1.

Right-click on the column and select Column Properties > Other.

2.

Enter a name for the new property.

3.

Enter a value for the property.

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Help created on 9/19/2017