Running sum
Marc Schwartz wrote:
On Fri, 2004-11-19 at 16:44 -0600, hadley wickham wrote:
Perhaps I'm missing something, but isn't the maximum of the cumulative sum simply the last value, ie. sum(x)? Hadley
Indeed! And...going back to Sean's original post he did write: "I just need max(Y)." Thus, a whole group of us (independently) managed to over-engineer the
Please, Please, please, ... was it ever said that the numbers was only positive? Kjetil
solution. Presuming of course, that Sean does not require the entire cumulative sum vector for other purposes. I wonder what that says about human cognition.... Thanks, Marc <Cleaning his bi-focals...>
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