[R] problem wih plotrix:cluster.overplot

Jean Véronis jean at veronis.fr
Tue Jan 29 08:53:46 CET 2013


I am trying to use cluster.overplot from package plotrix and I get an error message when I add the "away" parameter:

distance <- read.table("distance.txt")
cmd <- cmdscale(distance)
cp <- cluster.overplot(cmd, away=2)

Error in if (sum(overplots) > 1) { : 
  missing value where TRUE/FALSE needed

If I don't use "away", everything works fine.
I don't see anything in the documentation that explains this error.
Any help will be appreciated.

Many thanks

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