Thanks. That's just an simple example - what if there are more columns and
more rows? Is there any easy way to create nested list?
Best,
Zech
On Mon, Mar 11, 2013 at 2:12 PM, MacQueen, Don <macque...@llnl.gov> wrote:
> You will have to decide what R data structure is a "tree structure". But
> maybe this will get you started:
>
> > foo <- data.frame(x=c('A','A','B','B'), y=c('Ab','Ac','Ba','Bd'))
> > split(foo$y, foo$x)
> $A
> [1] "Ab" "Ac"
>
> $B
> [1] "Ba" "Bd"
>
> I suppose it is at least a little bit tree-like.
>
>
> --
> Don MacQueen
>
> Lawrence Livermore National Laboratory
> 7000 East Ave., L-627
> Livermore, CA 94550
> 925-423-1062
>
>
>
>
>
> On 3/10/13 9:19 PM, "Not To Miss" <not.to.m...@gmail.com> wrote:
>
> >I have a data.frame object like:
> >
> >> data.frame(x=c('A','A','B','B'), y=c('Ab','Ac','Ba','Bd'))
> > x y
> >1 A Ab
> >2 A Ac
> >3 B Ba
> >4 B Bd
> >
> >how could I create a tree structure object like this:
> > |---Ab
> > A---|
> >_| |---Ac
> > |
> > | |---Ba
> > B---|
> > |---Bb
> >
> >Thanks,
> >Zech
> >
> > [[alternative HTML version deleted]]
> >
> >______________________________________________
> >R-help@r-project.org mailing list
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>
>
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