Ricard Marxer wrote:
> Hi list,
>
> I need some help in creating an R dendrogram from Python using RPy.
>
>>From the R documentation [1] I get that a dendrogram object in R is just a
> nested list with non-list elements being objects with at least the following
> compulsory attributes:
> - 'members'
> - 'height'
> - 'leaf'
>
> I must admit that I'm completely new to R and RPy. But by reading a bit the
> RPy doc I tried the following naive conversion of the most simple dendrogram:
>
> from rpy import *
> rdend = r.as_dendrogram({'members':1, 'height':0.5, 'leaf':True})
>
> Could someone shed some light on how this should be done? and for a bit more
> complex dendrograms?
Being new to R, trying to use it from python with RPy will be extra
hard. I would start by working only in R and getting the hang of
working with dendrograms in R only.
Only then would I recommend trying it from python via RPy. As you are
dealing with a complex objects (dendrograms), you cannot simply convert
them into python data structures - but for specific properties (e.g.
branch lengths) turning them into a python structure makes sense (e.g.
as a floating point number).
Peter
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