Helmut Kudrnovsky a �crit :
dear R-friends,
i performed a cluster analysis (diana in package cluster) with about 300 samples.
two questions:
- if i plot a dendrogram of the analysis, i can�t read the labels of the samples, because the size of the label-text is too big and the label-text of 3 or 4 samples are mixed. so i can�t read which label belongs to which sample. i tried to adjust the text-size with the option cex (a numerical vector giving the amount by which plotting text and symbols should be scaled relative to the default - from the help for plot.default(graphics)), but it didn�t help. the problem exist also, when i export the plot into a meta-file or a postscript-file for further work with the dendrogram in an other application.
- is it possible to export or save the dendrogram from the R-shell in a kind of a text-dendrogramm like:
I --------------------- I I --------- ---------- I I I I s...sample s1 s2 s3 s4
from : ?dendrogram
hc <- hclust(dist(USArrests), "ave") (dend1 <- as.dendrogram(hc)) # "print()" method str(dend1) # "str()" method str(dend1, max = 2) # only the first two sub-levels
The str functions will give a text representation of your tree.
os: win xp R: 2.0.0.
with greetings from the snowy tyrol helli
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