The problem is that your argument expr is undefined.
This works
> switch("Choice 2", "Choice 1"="My first choice", "Choice 2"="My 2nd
choice", "Choice 3"="My 3rd choice")
[1] "My 2nd choice"
> x <- "Choice 2"
> switch(x, "Choice 1"="My first choice", "Choice 2"="My 2nd choice",
"Choice 3"="My 3rd choice")
[1] "My 2nd choice"
>
On Tue, Aug 16, 2011 at 4:53 PM, Mauricio Cornejo <mauriciocorn...@yahoo.com
> wrote:
> Hi,
>
> Does anyone know if the alternatives in the 'switch' function can be
> specified as strings containing spaces? Neither of the two approaches below
> works.
>
>
> switch(expr, "Choice 1"="My first choice", "Choice 2"="My 2nd choice",
> "Choice 3"="My 3rd choice")
>
>
> x <- c("Choice 1", "Choice 2", "Choice 3")
> switch(expr, x[1]="My first choice", x[2]="My 2nd choice", x[3]="My 3rd
> choice")
>
>
> If the intended functionality can be achieved by a different function(s),
> I'd most appreciate such a suggestion as well.
>
> Many thanks,
> Mauricio
>
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>
>
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> PLEASE do read the posting guide
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> and provide commented, minimal, self-contained, reproducible code.
>
>
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