Hi Sebastian,

Please add an example to the code you made, so to make it easier to help
you.

p.s: it seems possible to make it faster using lapply

Tal


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On Sat, May 8, 2010 at 10:13 AM, Sebastian Kruk <residuo.solow@gmail.com>wrote:

> Hi everybody, I would like to count how many times names in list L,
> nombreL,  apear in list C, nombreC.
>
> Can I improve the next program?
>
> cuenta <- 0
> topL <- length(nombreL)
> topC <- length(nombreC)
> for (i in 1:topL) {
>                      for (j in 1:topC) {
>                                            k <-
> grep(noquote(nombreL[i]),nombreC[j])
>                                            if (length(k) > 0){
>
> cuenta <- cuenta + 1
>                                   }
>                                             }
>
> ¿Is there a way to vectorizad?
>
> Thanks,
>
> Sebastián.
>
> Saludos,
>
> Sebastián.
>
> ______________________________________________
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> and provide commented, minimal, self-contained, reproducible code.
>

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