Understanding EXCLUDE LOD
The EXCLUDE LOD expression is just the opposite of the INCLUDE LOD expression. As mentioned earlier, EXCLUDE LOD computes the values by omitting the dimensions from the view level of detail and it is most useful when excluding a dimension as the results are computed at a higher granularity than the visualization's level of detail.
The syntax of using the EXCLUDE LOD expression is { EXCLUDE [Dimension] : aggregate expression}.
The preceding syntax shows how one can use an EXCLUDE expression for a single dimension; however, if there is more than one dimension that we want to include in our calculation, then the syntax can be modified as { EXCLUDE [Dimension1], [Dimension2], [Dimension3] : aggregate expression}.
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