Overview
A missing value is used to indicate that the question was not missed but there is no data for the question. The form will show complete if the missing value definition is entered, however, the missing value (by default) will be excluded from data analysis, with an option to include the missing values.
Required Role(s)
- Project Management
Steps
- Open the Variable Update window (click here for steps)
- Select the Missing Values tab
- Click on the green + icon to add a missing value
Enter a Begin Value, End Value and Name
The Begin Value and End Value are usually the same
Be sure the missing value can never be an actual data value
- Select Continue
- Select Save or Save and Return to save the changes to the variable group
