Hi eric,
See
R> ?"%in%"
and try the following (untested):
subset(zeespan, !customer %in% c("ibm" , "exxon" , "sears") )
HTH,
Jorge
On Sat, Aug 13, 2011 at 7:44 PM, eric <> wrote:
> I have a dataframe zeespan. One of the columns has the name "customer". The
> data in the customer column is text. I would like to return a subset of the
> dataframe with all rows that DON'T begin with either "ibm" or "exxon", or
> "sears" in the customer column.
>
> I tried .... subset(zeespan, customer != c("ibm" | "exxon" | "sears") )
>
> That didn't work and even if it did, the text would have to be an exact
> match where what I really want is "begins with".
>
> Suggestions on how to do this would be appreciated
>
> --
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