[R] test whether all elements of a vector are identical

[baptiste auguie]

Hi,

The fastest way seems to be,

all(x[1] == x)


HTH,

baptiste

On 16 December 2010 15:17, Jannis <bt_jannis at yahoo.de> wrote:
> Dear list,
>
>
> this might be an easy one, but I could figure out a solution (or how to
> google the right term).
>
> Is there any way to test whether all elements of a vector are identical?
>
> For numeric vectors I would use
>
> sum(diff(vector)==0)==0
>
> but I have character vectors. Any Ideas?
>
> Cheers
> Jannis
>
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