Look at congruify.phylo in geiger (and the associated paper: Eastman JM, LJ
Harmon, and DC Tank. 2013. Congruification: support for time scaling large
phylogenetic trees. Methods in Ecology and Evolution).

You could also look into SDM in ape (converting trees [not data] to
distance matrices, first): relevant paper Criscuolo, A., Berry, V.,
Douzery, E. J. P. , and Gascuel, O. (2006) SDM: A fast distance-based
approach for (super)tree building in phylogenomics. Systematic Biology, 55,
740–755.

Best,
Brian

_______________________________________________________________________
Brian O'Meara, http://www.brianomeara.info, especially Calendar
<http://brianomeara.info/calendars/omeara/>, CV
<http://brianomeara.info/cv/>, and Feedback
<http://brianomeara.info/teaching/feedback/>

Associate Professor, Dept. of Ecology & Evolutionary Biology, UT Knoxville
Associate Head, Dept. of Ecology & Evolutionary Biology, UT Knoxville
Associate Director for Postdoctoral Activities, National Institute for
Mathematical & Biological Synthesis <http://www.nimbios.org> (NIMBioS)


On Thu, Apr 26, 2018 at 5:07 PM, Chris Law <cj...@ucsc.edu> wrote:

> Hi all,
>
> I am trying to graft 3 chronograms onto a family level backbone. Does
> anybody have any suggestions on what is the best way to do this? Or is
> going through the tree files in textwrangler the only way to do this.
>
> Thanks!
>
>
> *Chris Law​ **|*
> * ​*PhD Student
>  *|*
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> cj...@ucsc.edu *|* research.pbsci.ucsc.edu/eeb/cjlaw/
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