Accumulation with expression.

[harjedalskok]

Hi im kinda lost here,

I would like to create a expression that accumulate like the attached table.

Rangesum(above(Diff, ), sum(diff)))

Week	Budget	Sales	Diff	Ack
2020-01	901 143	355 096	-546 047	-546 047
2020-02	1 802 286	2 835 114	1 032 829	486 782
2020-03	2 252 857	2 538 308	285 451	772 233
2020-04	2 252 857	1 347 297	-905 560	-133 328
2020-05	2 252 857	1 840 274	-412 583	-545 910

[Sergey_Shuklin · Accepted solution]

Hello!

Accumulate expression will be:

RangeSum( Above(  Diff  ,0  ,RowNo() ))