Try this:
d<- subset(x,
River.Mile <= 202 & River.Mile > 3 & Langrangian ==
"Yes" & EventType == "Regular")
On Mon, Jul 7, 2008 at 4:19 PM, stephen sefick <[EMAIL PROTECTED]> wrote:
> This is what I would like to do and it works just fine. Is there a way to
> shorten this code so I don't have to subset a subset of a subset?
>
> d<-subset(subset(subset(subset(x, River.Mile<=202), River.Mile>3),
> Lagrangian=="Yes"), EventType=="Regular")
>
> Stephen
> --
> Let's not spend our time and resources thinking about things that are so
> little or so large that all they really do for us is puff us up and make us
> feel like gods. We are mammals, and have not exhausted the annoying little
> problems of being mammals.
>
> -K. Mullis
>
> [[alternative HTML version deleted]]
>
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>
--
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O
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