[R] Finding the mean.

jim holtman jholtman at gmail.com
Sat Mar 10 23:05:02 CET 2012

if (nonzero) mean(x[x>0]) else mean(x)

On Sat, Mar 10, 2012 at 2:47 PM,  <elliot.welch at virgin.net> wrote:
> Using functions how would I go about do this question?
> (I already have a mean defined for a function of x.)
> Write a function called MyMean2. This function has two arguments, x and nonzero, where nonzero has the default value TRUE. This function should return the
> (Previous defined mean of x) if nonzero=FALSE
> (Previous defined mean of x) for all x's>0 if nonzero=TRUE
> Much appreciated.
> elliot.welch at virgin.net
> Sent from my BlackBerry® smartphone
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> and provide commented, minimal, self-contained, reproducible code.

Jim Holtman
Data Munger Guru

What is the problem that you are trying to solve?
Tell me what you want to do, not how you want to do it.

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