[R] Averaging without NAs

chalabi.elahe at yahoo.de chalabi.elahe at yahoo.de
Thu Mar 2 11:53:03 CET 2017

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?
Thanks for any help 

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