Are you saying that you want to ignore the additional suffixes, _FA, _XRF,
and _XR? If so, you can do so like this,
sapply(strsplit(DATA_names, "_"), function(x) paste(x[1:2],
collapse="_"))
If not, what do you want to happen with those suffixes?
Jean
On Tue, Jul 9, 2013 at 6:20 AM, Shane Carey <careys...@gmail.com> wrote:
> Hi,
>
> I have the following data as labels:
>
> DATA_names<-c("A_ugkg_FA","S_mgkg_XRF" ,"Cl_mgkg_XR")
>
> and I need to convert to
>
>
> -1
> A (ug kg )
>
> -1
> S (mg kg )
>
> -1
> Cl (mg kg )
>
>
> I used the following piece of code to convert the following labels in the
> past, but cant get it to work for the new labels:
>
> f <- function (name)
> {
> # add other suffices and their corresponding plotmath expressions to the
> list
> env <- list2env(list(mgkg = bquote(mg ~ kg^{-1}),
> ugkg = bquote(mu * g ~ kg^{-1})),
> parent = emptyenv())
> pattern <- paste0("(", paste(objects(env), collapse="|"), ")")
> bquoteExpr <- parse(text=gsub(pattern,
> "~(.(\\1))",
> name))[[1]]
> # I use do.call() to work around the fact that bquote's first argument is
> not evaluated.
> do.call(bquote, list(bquoteExpr, env))
> }
>
> The labels in the past were:
> DATA_names<-c("A_ugkg","S_mgkg" ,"Cl_mgkg")
>
> Thanks
>
> --
> Shane
>
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>
> ______________________________________________
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>
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