[R] subset without removing NAs

Jannis bt_jannis at yahoo.de
Thu Apr 28 22:21:12 CEST 2011

On 04/28/2011 09:53 PM, Benjamin Caldwell wrote:
> rws50<- subset(rw.fire.RW,shigo.av<50)

quick and dirty would be to replace all NAs with -99999 (or similar), 
use subset, and set all values ==-99999 in the subset back to NA. There 
may be more elegant solutions, though.


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