Hi zubin,
Try also

tname = "VIX"
checkticker = c("VIX", "TYX", "TNX", "IRX")
is.element(tname, checkticker)
# [1] TRUE

HTH,
Jorge


On Fri, Sep 25, 2009 at 8:00 PM, zubin <binabina@bellsouth.net> wrote:

> Hello, writing some R code to cleanse a data set, if the following set of
> symbols are identified then perform some actions.  trying to write the
> minimum code to do this.
>
> tname = "VIX"
> checkticker = c("VIX", "TYX", "TNX", "IRX")
>
>   if (tname == checkticker) {
>       //perform some operations
>   }
>
> result i get is
>
> > tname == checkticker
> [1]  TRUE FALSE FALSE FALSE
>
> how do i evaluate this whole list to a single boolean True or False?  If
> any of these are true the whole statement is True, else False.   this only
> seems to work for the first ticker, the rest don't perform the operations
> within the loop.
>
>
> > tname = "IRX"
> > tname == checkticker
> [1] FALSE FALSE FALSE  TRUE
>
> ______________________________________________
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> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

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