[R-SIG-Finance] xts question: Extract rows with an NA

[Worik]

On 06/10/10 10:56, Worik wrote:
> I wish to extract rows from an xts object that have a NA entry.  I can 
> use na.omit to exclude those rows, but I can find no simple way to 
> include them.
>
> Is there such a way?
>
> > X <- xts(cbind(c(1,2,3), c(1,NA,5)), Sys.Date()+1:3)

OK.  I can say:
 > X[is.na(X[,1]) | is.na(X[,2])]
            [,1] [,2]
2010-10-08    2   NA

This solves my immediate problem.  But is there a generic way that would 
work for any number of columns?

Worik


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