[R] binary data

[Gnanasivam]

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
> 
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