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03/12/2015
[TIBCO Spotfire] Cumulative sum
Here's a simple formula to plot the cumulative sum (trend) of data in Spotfire
Sum([COLUMN]) OVER (intersect(AllPrevious([Axis.Rows]),[GROUP_BY_1],...,[GROUP_BY_N])) as [ALIAS]
Just put it on the X-axis and you're set. The grouping is optional
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With great power comes great responsibility