Cumulative Sum for tracking progress over time?

Below is an example of what I’m trying to achieve. Lets say I have two projects I am tracking and a bunch of different tasks. They are all completed at different dates. Some come in under budget, some come in over budget (that +/- column).

What I’d like to do is create a line or area graph that shows how the cumulative sum (the value I am displaying at the bottom of the chart 3.75) is changing as plotted over time and filtered by project. Can this be done? What I want to be able to see at a glance is how our project is gaining or losing $ over time.


What would do is to sum based on the RowId. Steps to do it:

  1. Add a column that is row number with the formula RowId(currentRow).
  2. Add a column that is cumulative sum with a formula like: [Table 1].Filter([Row number] <= thisRow.RowId()).[Column 3].Sum(). Table 1 is the table in question, Row number is the column where you have the row numbers and Column 3 is the column you want to sum over.
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Thomas, thank you. I was able to use this to filter by project and date instead. So here is my actual solution to create two separate tracking graphs (based on the table shown above)

[Example Table].Filter(project=“alpha”).Filter(date<[+/-].Sum()
[Example Table].Filter(project=“beta”).Filter(date<[+/-].Sum()