Wade Wall wrote:
Hi all,
I have a binary matrix with NAs included. Each row and column
includes at least one NA, so I don't want to omit them. Is there a
way to sum across rows and columns, ignoring the NAs but not deleting
the row or column? If not, I suppose I can write a loop function, but
use:
sum(x,na.rm=T)
like this:
my.row.sums <- apply(my.matrix,1,sum,na.rm=T)
If you want to do across columns then use 2 instead of 1. Look at ?apply
and ?sum.
Adrian
On Fri, May 29, 2009 at 7:46 AM, Wade Wall wrote:
> Hi all,
>
> I have a binary matrix with NAs included. Each row and col
Hi all,
I have a binary matrix with NAs included. Each row and column
includes at least one NA, so I don't want to omit them. Is there a
way to sum across rows and columns, ignoring the NAs but not deleting
the row or column? If not, I suppose I can write a loop function, but
I have learned tha
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