[R] cluster, mona error

[Christian Hennig]

Morten,

just a try: is there a constant variable (only 1) in the first dataset?

Christian

On Thu, 27 Jan 2005, Morten Mattingsdal wrote:

> Hi
> 
> I have a problem using the package cluster on my binary data. I want to 
> try mona at first. But i get the an error.
> 
> hc<-read.table("all.txt", header=TRUE, sep="\t", row.names=1)
> srt(hc)
> `data.frame':   51 obs. of  59 variables:
>  $ G1p : int  2 1 1 1 1 1 1 1 1 1 ...
>  $ G1q : int  1 1 1 1 1 1 1 1 1 1 ...
>  $ G2p : int  1 1 1 1 1 1 1 1 1 1 ...
>  $ G2q : int  1 1 1 1 1 1 1 1 1 1 ...
>  $ G3p : int  1 1 1 1 1 1 1 1 1 1 ...
> 
> m<-mona(hc)
> Error in mona(hc) : All variables must be binary (factor with 2 levels).
> 
> I find this strange when the cluster dataset "animals" have the same 
> structure as my data.
> 
> srt(animals)
> `data.frame':   20 obs. of  6 variables:
>  $ war: int  1 1 2 1 2 2 2 2 2 1 ...
>  $ fly: int  1 2 1 1 1 1 2 2 1 2 ...
>  $ ver: int  1 1 2 1 2 2 2 2 2 1 ...
>  $ end: int  1 1 1 1 2 1 1 2 2 1 ...
>  $ gro: int  2 2 1 1 2 2 2 1 2 1 ...
>  $ hai: int  1 2 2 2 2 2 1 1 1 1 ...
> 
> m<-mona(animals) #works fine
> 
> what is this error trying to tell me?
> mvh
> morten
> 
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***********************************************************************
Christian Hennig
Fachbereich Mathematik-SPST/ZMS, Universitaet Hamburg
hennig at math.uni-hamburg.de, http://www.math.uni-hamburg.de/home/hennig/
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