When pivoting tall tables to make them wide, we end up with lots of empty cells that correspond to combinations that do not exist in the original tall data set. It is now very difficult to replace these empty values by a valid value (like 0) ... specially that PIVOT transformation ma create extremely wide tables.
The only alternative today is to use calculate & replace transformation for each column to replace Empty with 0 (for example).
We need an option in PIVOT transformation that allows this replacement ...