Hi Guangchuang,

I'm not certain this solves Roger's issue of needing to plot a
sampled-ancestor tree; or at least, if you have implemented that
feature, I cannot find it in the documentation.

So, assuming there is nothing in BEAST output that labels ancestors as
ancestors other than their zero-length terminal edge length, here's a
short example of plotting a tree with such 'ancestors'.

library(ape)
library(ggtree)
set.seed(4)
x<-rtree(10)
#make some artificial ancestors
x$edge.length[c(2,6,10,18)]<-0
plot.phylo(x)
ggtree(x)

As far as I can tell, ggtree only plots the zero-length branches as
bifurcations ending in zero-length edges, rather than placing them on
the edges leading to their sisters, just as ape's plot.phylo does. Am
I missing a functionality in ggtree? I apologize for my confusion.

Cheers,
-Dave Bapst

On Thu, Dec 10, 2015 at 4:42 AM, Yu, Guangchuang <g...@connect.hku.hk> wrote:
> Dear Roger,
>
> ggtree can parse BEAST output and visualize BEAST statistics, see the
> document:
> http://www.bioconductor.org/packages/3.2/bioc/vignettes/ggtree/inst/doc/ggtree.html#annotating-tree-with-beast-output
>
> Bests,
> Guangchuang
>
>
> On Thu, Dec 10, 2015 at 7:00 PM, <r-sig-phylo-requ...@r-project.org> wrote:
>
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>> Today's Topics:
>>
>>    1. Re: Plotting sampled-ancestor trees in R (Roger Close)
>>    2. Implementation of Mir et al.'s (2013) tree balance        index?
>>       (Gabriel Yedid)
>>
>>
>> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Wed, 9 Dec 2015 15:50:11 +0000
>> From: Roger Close <roger.cl...@gmail.com>
>> To: David Bapst <dwba...@gmail.com>
>> Cc: R Sig Phylo Listserv <r-sig-phylo@r-project.org>
>> Subject: Re: [R-sig-phylo] Plotting sampled-ancestor trees in R
>> Message-ID:
>>         <CAFauv=
>> ubz3yncju8j+jgpxpfop0na4yy_3o7bayd7csxbvf...@mail.gmail.com>
>> Content-Type: text/plain; charset="utf-8"
>>
>> Hi Dave, Emmanuel and Joseph,
>>
>> Thanks very much for your suggestions. The output of BEAST, at least, is an
>> ordinary Newick/NEXUS file with ancestors represented as tips on the ends
>> of zero-length branches (see attached).
>>
>> One way to proceed would be to drop the tips that correspond to ancestors
>> and then add them back on using edge labels. However, I see that paleotree
>> designates ancestors using $anag.tips; is there a tool for plotting this
>> type of tree?
>>
>> Cheers,
>> Roger
>>
>>
>>
>> ---
>> Roger Close, Postdoctoral Research Associate
>> Department of Earth Sciences, Oxford University
>> South Parks Road
>> Oxford OX1 3AN
>> United Kingdom
>>
>> On 8 December 2015 at 18:56, David Bapst <dwba...@gmail.com> wrote:
>>
>> > Hi Roger,
>> >
>> > I'm not aware of any existing solution. Could you send around a small
>> > example of the data format of an output sampled ancestor tree from
>> > BEAST or MrBayes? Are they just typical Newick/NEXUS format with
>> > ancestors indicated tipis with zero-length branches or something more
>> > complicated?
>> >
>> > Remarkably I've not looked at the formatting of one, but obviously
>> > plotting SA trees is something the community will need in the near
>> > future.
>> >
>> > Cheers,
>> > -Dave
>> >
>> > On Tue, Dec 8, 2015 at 5:46 AM, Roger Close <roger.cl...@gmail.com>
>> wrote:
>> > > Hi all,
>> > >
>> > > Does anyone know of a way to plot sampled-ancestor trees in R such that
>> > > ancestors lie on branches, rather than being zero-length terminals that
>> > > follow a bifurcation?
>> > >
>> > > Many thanks,
>> > > Roger
>> > >
>> > > ---
>> > > Roger Close, Postdoctoral Research Associate
>> > > Department of Earth Sciences, Oxford University
>> > > South Parks Road
>> > > Oxford OX1 3AN
>> > > United Kingdom
>> > >
>> > >         [[alternative HTML version deleted]]
>> > >
>> > > _______________________________________________
>> > > R-sig-phylo mailing list - R-sig-phylo@r-project.org
>> > > https://stat.ethz.ch/mailman/listinfo/r-sig-phylo
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>> >
>> >
>> >
>> > --
>> > David W. Bapst, PhD
>> > Adjunct Asst. Professor, Geology and Geol. Eng.
>> > South Dakota School of Mines and Technology
>> > 501 E. St. Joseph
>> > Rapid City, SD 57701
>> >
>> > http://webpages.sdsmt.edu/~dbapst/
>> > http://cran.r-project.org/web/packages/paleotree/index.html
>> >
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>> ------------------------------
>>
>> Message: 2
>> Date: Thu, 10 Dec 2015 15:50:52 +0800
>> From: Gabriel Yedid <gyedi...@gmail.com>
>> To: r-sig-phylo <r-sig-phylo@r-project.org>
>> Subject: [R-sig-phylo] Implementation of Mir et al.'s (2013) tree
>>         balance index?
>> Message-ID:
>>         <CAD=
>> v+xfxrpyofojk6q_77v22dg1lwc-s248xoj-xzw0sgur...@mail.gmail.com>
>> Content-Type: text/plain; charset=UTF-8
>>
>> Hello all,
>>
>> Is there any R implementation yet of the tree balance metric described in:
>>
>>
>> Mir, Arnau, Francesc Rossell?, and Lidia Rotger. "A new balance index
>> for phylogenetic trees." Mathematical biosciences 241.1 (2013):
>> 125-136.
>>
>>
>> cheers,
>>
>> Gabe
>>
>>
>>
>> ------------------------------
>>
>> Subject: Digest Footer
>>
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>> End of R-sig-phylo Digest, Vol 95, Issue 6
>> ******************************************
>>
>
>
>
> --
> --~--~---------~--~----~------------~-------~--~----~
> Guangchuang Yu, PhD Candidate
> State Key Laboratory of Emerging Infectious Diseases
> School of Public Health
> The University of Hong Kong
> Hong Kong SAR, China
> www: http://guangchuangyu.github.io
> -~----------~----~----~----~------~----~------~--~---
>
>         [[alternative HTML version deleted]]
>
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-- 
David W. Bapst, PhD
Adjunct Asst. Professor, Geology and Geol. Eng.
South Dakota School of Mines and Technology
501 E. St. Joseph
Rapid City, SD 57701

http://webpages.sdsmt.edu/~dbapst/
http://cran.r-project.org/web/packages/paleotree/index.html

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