[R] problem wih plotrix:cluster.overplot

[Jean Véronis]

great! many thanks!
Le 30 janv. 2013 à 09:52, Jim Lemon <jim at bitwrit.com.au> a écrit :

> On 01/29/2013 06:53 PM, Jean Véronis wrote:
>> Hello,
>> 
>> I am trying to use cluster.overplot from package plotrix and I get an error message when I add the "away" parameter:
>> 
>> require(plotrix)
>> 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.
>> 
> Hi Jean,
> The "away" argument needs to have both an x and y distance to offset the points. Try:
> 
> cp<-cluster.overplot(cmd,away=c(2,2))
> 
> I'll add this to the docs, thanks.
> 
> Jim
>