Hi list, recently, for didactic reasons, I had the need to change a cluster
topology (just the order of my groups, defined in an height of choice), not
the results, obviously. Well I’m looking at hclust or agnes (cluster
package) objects for something that defines the line breakings of the
graphics, so I could try something to change this plot ordering. But, I’m
unable to figure that out.

Is there a way to do so?

 

Here is an example code:

 

Spp<-matrix(rnorm(1:750,mean=10,sd=2),ncol=15,nrow=50,list(c(paste('Spp',1:5
0,sep='')),c(paste('C',1:15,sep=''))),byrow=T)

Ward<-hclust(dist(Spp),method='ward')

plot(Ward)

 

Let’s suppose I want to change the order of the groups formed at the height
of 20 (Obviously, only where it’s possible, without altering the greater
groups composition).

Is it possible?

 

-------------------------------------------------------------

MSc.  <mailto:r.aluizio@gmail.com> Rodrigo Aluizio

Centro de Estudos do Mar/UFPR
Laboratório de Micropaleontologia
Avenida Beira Mar s/n - CEP 83255-000
Pontal do Paraná - PR - Brasil




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