Formula to cumulative sum.

Formula to cumulative sum by rank order and event order.
Please see attached spreadsheet
Ian BellretiredAsked:
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Ryan ChongBusiness Systems Analyst , ex-Senior Application EngineerCommented:
I quite don't understand your statement of:

>>Sum of probs in rank order for each event

Do you want to make a sum based on unique Event ID AND Prob-Rank ? If yes, you always have that in your original data, pls explain further...
Ian BellretiredAuthor Commented:
Hi Ryan,
Probably the best way to understand is to look at the figures I have entered in Column D
of the spreadsheet that was attached. It will soon become clear.
Ryan ChongBusiness Systems Analyst , ex-Senior Application EngineerCommented:
ok... in D2, try use formula:

Open in new window

and drag down the formula accordingly.
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Ryan ChongBusiness Systems Analyst , ex-Senior Application EngineerCommented:
example as attached.
hey racepro

put this formula in column D from second row, see attached.


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Ian BellretiredAuthor Commented:
Hi Guys,
Both solutions do the trick.
There is a slight difference between the two as below.
But both work
Thanks a million !!
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