[R] Problem in cluster sampling: 'mixed with negative subscripts'

[Martin Møller Skarbiniks Pedersen]

On Sun, 20 Dec 2020 at 06:22, Richard O'Keefe <raoknz using gmail.com> wrote:

> More accurately, in x[i] where x and i are simple vectors,
> i may be a mix of positive integers and zeros
>   where the zeros contribute nothing to the result
>

Yes, index 0 doesn't get an error or a warning. I think it should.
Eg.

(v <- 1:4)
[1] 1 2 3 4

v[c(0,2,4)] <- c(0,2)
v
[1] 1 0 3 2 # a surprise ?

Regards
Martin

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