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: [EMAIL PROTECTED]
>
> 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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