On Thu, Oct 14, 2010 at 09:29, sleepy <[email protected]> wrote: > I'm doing some statistics on my data and wondering is there > an straightforward way of calculating the mean value through reduce > function. > Maybe a build-in reduce function or something...
I don't think there's a built-in average function, but the obvious solution here is to return an array with two elements: the sum of all values you'd like to average, and the number of these values. Cheers, Dirkjan
