i %in% c(7,10,30,50)
On Thu, Dec 11, 2008 at 12:11 PM, David B. Thompson, Ph.D., P.E., D.WRE, CFM
<drdbthomp...@gmail.com> wrote:
> OK, this should be trivial but I'm not finding it. I want to compress the
> test,
>
> if (i==7 | i==10 | i==30 | i==50) {}
>
> into something like
>
> if (i in c(7,10,30,50)) {}
>
> so I can build a "excludes" vector
>
> excludes <- c(7,10,30,50)
>
> and test
>
> if (i in excludes) {}
>
> However, I'm not finding a clue on how to accomplish this, if it can be
> done. Would someone with more R experience lend a helping hand please? A
> reference (so I can continue learning) would also be appreciated.
>
> Thanks...
>
> -=d
>
> David Thompson, Ph.D., P.E., D.WRE, CFM
> Civil Engineer/Hydrologist
>
> ______________________________________________
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