Variable Defining the Ratio

Use this field to specify a variable whose values distinguish specific features.

Examples include genes or spots on a microarray.

To Specify Variable Defining the Ratio:

Specify an Experimental Design SAS Data Set (EDDS).

All of the variables in the input data set are displayed in the Available Variables field.

Examine the list of available variables.

Highlight the desired variable.

Click to add the highlighted variable to the Variable Defining the Ratio field, as shown below: