Skip to main content

You are not logged in. Your edit will be placed in a queue until it is peer reviewed.

We welcome edits that make the post easier to understand and more valuable for readers. Because community members review edits, please try to make the post substantially better than how you found it, for example, by fixing grammar or adding additional resources and hyperlinks.

Required fields*

3
  • Thanks very much! Is there a way I can do cumsum in a reverse direction? Please refer to my updated question above. Thanks! Commented Apr 21, 2018 at 2:21
  • OP's reverse definition is excluding the current year. Commented Apr 21, 2018 at 2:38
  • Ok ... odd, but fixed. (This is really not the best format for this data ...) Commented Apr 21, 2018 at 2:43