I don't think that's a bug. As ?rect.hclust says, it adds a rectangle to the dendrogram, which means you need to plot the dendrogram _first_. See the example code in the help file. Andy
From: ivan_yegorov@mail.ru
Full_Name: Ivan Egorov
Version: 1.8.1
OS: MS Windows 2000, SP4
Submission from: (NULL) (194.186.91.129)
V<-t(matrix(scan('C:/V3.dat'),3))
d<-dist(V)
hc<-hclust(d)
rect.hclust(hc,5)
Error message is displayed:
Read 24 items
Error in rect(m[which[n]] + 0.66, par("usr")[3], m[which[n] +
1] + 0.33, :
plot.new has not been called yet
Here's my data file ('C:/V3.dat')
-1 -73 12
-70 -26 -8
-78 -101 -35
-38 -24 -16
39 -54 3
-40 -13 -19
-45 -9 -19
-18 -22 2
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