[R] MISSING VALUE IN R

[stephen sefick]

sum() has a na.rm argument
sum(x, na.rm=TRUE)

On Thu, Jul 22, 2010 at 7:19 PM, jd6688 <jdsignature at gmail.com> wrote:
>
> I have a DF
>
> ID   VALUE
> 100  120
> 101  100
> 102  100
> 103
> 104
> 105
> ....
>
> when i calculate the sum of the values, it returned NA. should I populate
> the blank value as 0?
>
> Thanks,
>
>
>
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-- 
Stephen Sefick
____________________________________
| Auburn University                                   |
| Department of Biological Sciences           |
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| sas0025 at auburn.edu                             |
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