For the record, this is due to a storage mode problem: the merge component gets restored as double. I've modified plot.hclust to detect that.
On Tue, 30 Sep 2003 kleiweg@let.rug.nl wrote:
library(mva)
data(USArrests)
hc <- hclust(dist(USArrests), "ave")
plot(hc) # OK
dump(c("hc"), "tst")
rm(hc)
source("tst")
plot(hc) # Error in plot.hclust(hc) : invalid dendrogram input
The same problem occurs with dput/dget
--please do not edit the information below--
Version:
platform = i686-pc-linux-gnu
arch = i686
os = linux-gnu
system = i686, linux-gnu
status =
major = 1
minor = 7.1
year = 2003
month = 06
day = 16
language = R
Search Path:
.GlobalEnv, package:methods, package:ctest, package:mva,
package:modreg, package:nls, package:ts, Autoloads, package:base
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Brian D. Ripley, ripley@stats.ox.ac.uk Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595