Any news about this topic? I have the very same conceptual problem and can't figure out how to solve it.
More in detail, I have a large amount of columns (114), each representing a statistical indicator about population, and up to 7903 records representing geography (administrative borders). So a huge dataset.
The idea is to add cascade selectors to filter indicators by year, type and target population, so to obtain only a few to choose from. But how to do this?
Any help much appreciated.