[R] Averaging without NAs

[Berend Hasselman]

> On 2 Mar 2017, at 11:53, ch.elahe via R-help <r-help at r-project.org> wrote:
> 
> Hi all,
> 
> The question seems easy but I could not find an answer for it. I have the following column in my data frame and I want to take average of the column excluding the number of NAs. 
> 
> $X2016.Q1 : int 47 53 75 97 NA NA 23 NA 43 NA ....
> 
> Does anyone know how to do that?

Have you tried looking in the help for mean?

?mean

Berend Hasselman

> Thanks for any help 
> Elahe
> 
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