Full_Name: Patrick Burns
Version: 1.6.1
OS: Suse Linux
Submission from: (NULL) (217.36.14.68)
Sample gives an error if it is sampling a length one character
vector:
> sample('a', 1)
Error in sample(x, size, replace, prob) : invalid first argument
The fix is trivial (numeric test in first line
Bert Gunter <[EMAIL PROTECTED]> wrote:
> > z
> [,1] [,2]
> [1,]1 NA
> [2,]2 NA
> [3,]3 NA
>
> > colSums(z,na.rm=T)
> [1] 6 0
Certainly correct (the empty set has sum 0 and product 1) and consistent with
other functions. But you are not the first to mention being surprised b
For your consideration:
> z
[,1] [,2]
[1,]1 NA
[2,]2 NA
[3,]3 NA
> colSums(z)
[1] 6 NA
Correct, according to the documentation
> colSums(z,na.rm=T)
[1] 6 0
Surprising to me, but, as documented, correctly consistent with apply() and
>sum(NULL)
[1] 0
The documentation
