Parameters | Workflows | Reference Trait Value

Reference Trait Value
This field is used to specify the value of the event variable that specifies the reference category.
Note: The reference variable must be a nominal variable.
By default, the first ordered category is designated as the value of the reference.
To Specify a Reference Trait Variable:
For example, in a trait variable for disease status where “1” indicates diseased and “2” indicates healthy:
Type 2 in the text box, as shown below: