29.7.9 Trellis Double Y

Trellis-Double-Y

Data Requirements

This plot requires at least two Y columns as input data. Optionally, you can have an additional associated Y error column for each Y column. Other column(s) provides grouping information.

Creating the Graph

• From the menu, choose Plot > Categorical: Double Y Trellis Plot

• Note that this plot type does not have its own toolbar button. However, it uses the same plot_group dialog box as the regular Trellis; so to open this dialog, you can click the button on the 2D Graphs toolbar.

Input 1	This branch is used to specify the input data for the left-Y axis.
Plot Type 1	Choose the plot type for Input 1.
Double-Y Axes	This box is checked, by default, for the Double Y trellis.
Input 2	This branch is used to specify the input data for the right-Y axis.
Plot Type 2	Choose the plot type for Input 2.
Variable for Separate Panels	This branch is used to specify the grouping information. Each direction includes a display box and a toolbar with five buttons : Display Box The group range(s) selected using Add button will display in this box. The first selected group ranges will be set set primary categorization and form the bottom line of the column plot's group table; the secondary groups selected would continue grouping based on the primary categorization and forming the second layer of the group table, and so forth. Add button Click this button then choose a column from menu; or click Select Columns to open the Column Browser and add column(s) to the Display Box as grouping range(s). You can add up to 5 grouping ranges. Remove button Remove the selected data range(s) from the Display Box. This button is available when you select one or more data ranges in the Group Column(s) box. Move Up button Move the selected data range(s) up in the Display Box. This changes the grouping sequence. Move Down button Move the selected data range(s) down in the Display Box. This changes the grouping sequence. Select All button Select all data range(s) down in the Group Column(s).
Variable to Color Data Points	Specify the column used to color-map the plot.
Graph Template	By default, Auto is selected and the default Double Y graph template is used. To specify a different graph template, clear the Auto box and browse to and select your template.

Template

gDOUBLEY.otpu (installed to the Origin program folder).

Notes

• Refer to this page for more details of creating and customizing a trellis plot.
• To sort the grouping range (this would be the "Region" variable in the X column in the above sample) by something other than the default alphabetical order, select the column, right-click and choose Set as Categorical and modify the list order in the Categories tab.