The next step depends on whether your โdisappearingโ fields are dimensions or dimensions.
If you want to force display of elements for specific dimensions, then one (complex) solution is to use the extended Tableau function, called data blending, to force the existence of dimension elements, even if there are no corresponding measure values. The trick is to create a simple data source , for example, a text file listing the members of each dimension. Use this source as the primary data source and make the original data source a secondary source.
Alex blakemore
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