[R] Running sum

Marc Schwartz MSchwartz at MedAnalytics.com
Sat Nov 20 00:50:23 CET 2004

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


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

Presuming of course, that Sean does not require the entire cumulative
sum vector for other purposes.

I wonder what that says about human cognition....


<Cleaning his bi-focals...>

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