[R] replace Null with NA

[Henrique Dallazuanna]

Try this:

x[x==""] <- NA

On 01/02/2008, My Coyne <mcoyne at boninc.com> wrote:
> I would like to replace all null ("") in a column of a matrix to NA, how
> would I do that without a do loop?
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> Thanks
>
> --mc
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-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O