Yes, that is the difference between sum and plus.
sum (1,2) = 1+2 = 3.
1 + missing = missing.
sum(1,missing) = 1.
J.
> ------------ Původní zpráva ------------
> Od: Rajeshms <
[hidden email]>
> Předmět: sum
> Datum: 21.6.2012 06:53:23
> ----------------------------------------
> Hi all,
>
> whats the difference between sum(x,y) and x+y.
>
> I tried to do but ,using x+y I am not getting values for missing data( in
> any one variable) but using the sum(x,y) , I am getting the values for
> missing data also.
>
> thank you.
> --
> Rajesh M S
>
>
>
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