Some functions are hidden by report studio dependant on the data source that is being used (relational or multi-dimensional).
An example is the function ‘running-total’. This function does not display when building reports from cubes (see below).
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It is not necessary to do a complicated work-around to perform a running total on cubes.
The function can still be used by simply typing the function name into the data item expression window.
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The function still validates and performs as expected to achieve the desired result.
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