if not set tag

The if not set tag is used to set a value to open-ended fields that are left unfilled, similar to if blank. 

1. Which of these activities do you do for exercise?
type: checkbox
1. Running
2. Walking
3. Weight lifting
4. Biking
5. Playing sports
6. Swimming
7. Yoga

2. What percent of your workouts are spent on each activity?
instructions: Your total should add to 100%.
type: integer table
required: n
size: 3
range: 0-100
if not set: 0
postfix: %
show column total: Total: {total: 100}
rowsfrom: Q1

Details

• The if not set tag works with open-ended text questions and table rows, as well as in a set defaults definition.
• The input to if not set can be any positive integer or '0', and is most commonly '0'. The input value is set in the data once the question is successfully submitted.
• if not set is recommended for more advanced reporting functionality like averages and situations where a blank is not the same as a '0'.
• The if not set tag is most commonly used with sum-to-100 tables, as shown above.