R help - Nov 2009 - binary data

hi,
I am trying to calculate distance matrices for binary data frame. I am using
dist.binary in 'ade4' package. This is the code i run and get error
message as 'missing value where True/False needed:
clss <- as.data.frame(cls)
dist.binary(clss, method = 1, diag = FALSE, upper = FALSE)
Also, if i convert the factors into numeric(i.e,1&2 in the place of 0&1
for present/absent data), i get the distance matrices with 0's as elements.
This is the code i run and get the matrix with all the elements as zeros:
d <- as.data.frame(lapply(cls,as.numeric));
dist.binary(d, method = 1, diag = FALSE, upper = FALSE)
Can anybody help me to rectify the error?
Thanks in advance,
 
Kind regards,


Ms.Karunambigai M
PhD Scholar
Dept. of Biostatistics
NIMHANS
Bangalore
India


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karuna m wrote:
> 
> hi,
> I am trying to calculate distance matrices for binary data frame. I am
> using dist.binary in 'ade4' package. This is the code i run and get
error
> message as 'missing value where True/False?needed:
> clss <- as.data.frame(cls)
> dist.binary(clss, method = 1, diag = FALSE, upper = FALSE)
> Also, if i convert the factors into numeric(i.e,1&2 in the place of
0&1
> for present/absent data), i get the distance matrices with 0's as
> elements. This is the code i run and get the matrix with all the elements
> as zeros:
> d <- as.data.frame(lapply(cls,as.numeric));
> dist.binary(d, method = 1, diag = FALSE, upper = FALSE)
> Can anybody help me to rectify the error?
> Thanks in advance,
> ?
> Kind regards,
> 
> 
> Ms.Karunambigai M
> PhD Scholar
> Dept. of Biostatistics
> NIMHANS
> Bangalore
> India
> 
> 
>       The INTERNET now has a personality. YOURS! See your Yahoo! Homepage. 
> 	[[alternative HTML version deleted]]
> 
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
> 
> 
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