Thanks that help.
On Wed, Apr 16, 2008 at 8:46 AM, Duncan Murdoch <[EMAIL PROTECTED]>
wrote:
> On 15/04/2008 8:36 PM, Ng Stanley wrote:
>
> > Hi,
> >
> > How to get assign an vector of words to associative array ?
> >
> > a[["animal"]] <- c("dog", "cat")
> > >
> > Error in a[["animal"]] <- c("dog", "cat") :
> > more elements supplied than there are to replace
> >
>
> R uses named lists as associative arrays, but the line above is not enough
> to create one. You need
>
> a <- list()
> a[["animal"]] <- c("dog", "cat")
>
> The error message you saw is probably because "a" already existed, and
> wasn't a list.
>
> Duncan Murdoch
>
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