Empty
| Characteristic | Description |
|---|---|
|
Icon |
 |
|
Availability |
A data series that contains a single item that is used only once in a study. Available below the Variables[ ] property. |
|
Return type |
Boolean. |
|
Description |
True or False. When True, a value for the item has not been provided. |
Parent topic: Rule model properties for items
Parent topic: Rule model properties for data series