On Monday, October 1, 2012, pdb wrote:

> I hope someone can point me in the right direction please.
>
> I have a data frame with a column containing names.  I want to identify the
> columns that contain names in a list.
>
> namestofind <- c('fred','bill',....a long list)
>
> If I only wanted to identify a single name I would use
>
> which(z$name == 'bill')
>
> What syntax would I use to identify all the rows that contain any of the
> names in namestofind?


%in%

Michael


>
> Thanks in advance for the pointer
>
>
>
>
>
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