Changing the Boolean Operator
The default operator is AND while this is the most commonly used operator. There are times you will want to change this especially when trying to exclude certain labels. The operator can be changed by clicking on the operator between two labels in the combination bar below the toolbar. In most occasions the operator will be AND.
- After clicking on the operator to expose the menu, select AND, OR, or NOT.
- AND will count those instances that contain the combination of labels.
- OR will count those instances that contain either of the labels in the combination. NOT will count those instances that contain the first label and not the following label.
Note: A good approach to using this feature is to duplicate a label several times, then add a different label to each duplicate to check for existence of the combination. This demonstrates the real analysis powers of the matrix and is what it was designed to do.
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