If you right-click on a Stream in an Analysis Model, one of the options that can be selected from the context menu is Rollback Stream. This will bring up this view. You can then select which Stream Sets you want to roll back.
You can choose from one of the following four options:
...
Rollback can also be selected from the Stream Sets view or by right-clicking on the Stream in the repository browser. Multiple streams may be rolled back at once from the repository browser. In the repository browser, Ctrl + click to select multiple streams then right click on a selected stream and choose 'Rollback Selected Objects'.