Try this:

d <- data()
ne <- new.env()
data(list = grep("\\(", d$results[,'Item'], value = TRUE, invert = TRUE),
envir = ne)
out <- eapply(ne, names)
names(which(lapply(lapply(out, '%in%', c("Run", "conc", "density")), sum) ==
3))



On Thu, Nov 25, 2010 at 1:38 PM, Stephen Liu <satimis@yahoo.com> wrote:

> Hi folks,
>
> I need to search the dataset on data with name on heading;
> Run conc density
>
>
> I look at ??help.search and could not resolve;
>
> help.search(pattern, fields = c("alias", "concept", "title")
>
> What shall I replace "pattern"?
>
> I suppose replacing "alias", "concept", "title" with "Run", "conc",
> "density" ?
>
> Please help.  TIA
>
> B.R.
> Stephen L
>
>
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>



-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O

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