Will something like the %in% statements below help?
x1 <- 1
x2 <- 5
y1 <- c(2,3)
y2 <- c(4,5)
y3 <- c(7,8)
x1 %in% y1 ||x2 %in% y2
x1 %in% y1 ||x2 %in% y3
--- On Tue, 7/20/10, Jim Maas <jimmaa...@gmail.com> wrote:
> From: Jim Maas <jimmaa...@gmail.com>
> Subject: [R] simplify if statement in R ?
> To: r-help@r-project.org
> Received: Tuesday, July 20, 2010, 2:11 PM
> I found a form of the if statement
> that works but it is very long. I'm attempting to
> check the value of of two different variables to see if they
> evaluate to either of two different values, which will
> result in a division by 0 in the final equation. This
> first if statement works for me
> _______
>
> if ((x0.trial01 == 0.0)||(x0.trial01 ==
> npt01)||(x1.trial01 == 0.0)||(x1.trial01 == npt01))
> {
> x0.trial01.in
> <- x0.trial01 + 0.5
> x1.trial01.in
> <- x1.trial01 + 0.5
> npt01.in <-
> npt01 + 1.0
> }
> else
> {
> x0.trial01.in
> <- x0.trial01
> x1.trial01.in
> <- x1.trial01
> npt01.in <-
> npt01
> }
> __________
>
> I've tried
> if ( ( x0.trial01 || x1.trial01) == ( 0.0 || npt01) )
> ......
>
>
> but it doesn't seem to work correctly. Is there a
> simpler way to check two variables for two different
> valuables?
>
> Thanks
>
> J
>
> ----
> Jim Maas
>
> ______________________________________________
> R-help@r-project.org
> mailing list
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained,
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>
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