[R-sig-eco] Reordering dendogram

[syrovat]

"Everything" seems to be possible with the dendextend package.
Check its extensive vignette at CRAN.
Vit

Dne 2017-10-10 16:01, Clifford Beall napsal:
> Try the reorder function, the dendrogram specific help is at
> ?reorder.dendrogram. I’m not sure about the symbols on the labels
> though.
> 
>> On Oct 10, 2017, at 8:54 AM, Tania Bird <taniabird at gmail.com> wrote:
>> 
>> I am trying to control the order and colour of a dendrogram. Obviously
>> the point of the dendorgram is to order by similarity, but within
>> branches I'd like to set an order that make sense
>> (alphabetical-numeric).
>> 
>> library(vegan)
>> library(stats)
>> 
>> x <-data.frame(data = c(1:10))
>> y = data.frame(type = c("A","B","C","A","C","D","A","B","C","B"),
>> site_name = c("A1","B1","C1","A2","C2","D1","A3","B2","C3","B3"))
>> row.names(x) = y$site_name
>> dis = vegdist(x)
>> hc <- hclust(dis)
>> dd <- as.dendrogram(hc)
>> plot(dd)
>> 
>> My data labels are text but they do have a set order listed in a 
>> variable
>> 
>> site_order = c("A1","A2","A3","B1","B2","B3","C1","C2","C3","D1")
>> 
>> 1) I'd like to find a solution that sorts the dendogram according to
>> site_order within branches.
>> 
>> e.g. A1,B1,        A2, C1,   C2,D2,             A3,B2,     B3,C3
>> 
>> I also want to colour and shape the labels using site_type e.g (A= red
>> circle , B= blue square , C= green triangle, D = yellow cross)
>> 
>> Is this possible?
>> 
>> 
>> Thanks
>> 
>> Tania Bird MSc
>> "There is a sufficiency in the world for man's need but not for man's
>> greed" ~ Mahatma Gandhi
>> 
>> https://www.linkedin.com/in/taniabird
>> https://taniabird.webs.com
>> 
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