Displaying 3 results from an estimated 3 matches for "ordratio".
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ordrati
2003 Aug 18
0
displaying pruned clusters
Any idea why clusters five and six fall off the scale in the following?
library(cluster)
library(maptree)
data(flower)
dfl2<-daisy(flower,type=list(asymm=c(1,3),ordratio=7))
hdfl2<-hclust(dfl2)
prune.dfl2<-prune.clust(hdfl2,k=6)
plot(prune.dfl2)
Of course the following will display all six clusters, but without a scale:
draw.tree(prune.dfl2)
Best wishes,
Mikkel
Mikkel Grum
International Plant Genetic Resources Institute (IPGRI)
Sub-Saharan Africa Group...
2002 May 14
0
RE: cut.dendrogram (PR#1552)
...dfl1,h=0.2)
Error: more elements supplied than there are to replace
> cdfl1<-cut(ddfl1,h=0.14179)
Error: more elements supplied than there are to replace
> cdfl1<-cut(ddfl1,h=0.14178)
> cdfl1<-cut(ddfl1,h=0.1)
> ## but,
> dfl2 <- daisy(flower, type = list(asymm = c(1, 3), ordratio = 7))
> hdfl2<-hclust(dfl2,method="average")
> plot(hdfl2)
> ddfl2<-as.dendrogram(hdfl2)
> cdfl2<-cut(ddfl2,h=0.5)
> cdfl2<-cut(ddfl2,h=0.4)
> cdfl2<-cut(ddfl2,h=0.3)
> cdfl2<-cut(ddfl2,h=0.2)
> cdfl2<-cut(ddfl2,h=0.1)
>
--please do not edit...
2011 Nov 24
4
I cannot get species scores to plot with site scores in MDS when I use a distance matrix as input. Problems with NA's?
Hi, First I should note I am relatively new to R so I would appreciate answers that take this into account.
I am trying to perform an MDS ordination using the function ?metaMDS? of the ?vegan? package. I want to ordinate species according to a set of functional traits. ?Species? here refers to ?sites? in traditional vegetation analyses while ?traits? here correspond to ?species? in such