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You can create filters for yourself (and other Forsta Plus #authors) to use while you are working on the Survey and the respondent data. You can then use the filters in an administrative format to search for data, text etc.
To create a filter, you first define it, then you drag the appropriate questions from the Survey tree and drop them into the filter folders.
You can have two types of relationships between the elements in a filter: they can be linked with the AND operator or with the OR operator. These objects are located in the Components branch towards the bottom of the Survey tree, and you can drag then into to the filter branch as required. You can invert the logic and toggle between AND and OR as required. You can also define levels in advanced filters.
Inverting the Logic
The logic in Advanced Filters can easily be inverted, both for the elements and the folders. Inverting the logic means inserting a NOT function onto the logic function to get the opposite result. You can also switch between AND and OR folders.
To invert the logic or switch between AND and OR, right-click on the folder and select the appropriate option from the drop-down menu - .
Figure 1 - Inverting the logic or switching between AND and OR