expression accumulated by date

[rogeriobarbosa]

Hello,
I need an expression for a bar chart that accumulates values ​​from January 2012 eg if dimension I have in my January, February, March and April, I accumulated returns in January + February + January + February March, April + February + March + April.

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[Jason_Michaelides]

If checking the "Full Accumulation" box isn't sufficient, then try:

RangeSum(Above(Sum(Sales),0,RowNo())) where Month is your chart dimension.

Hope this helps,

Jason