Is because your first column and the object is a data.frame:

 dotchart(as.matrix(intersect.data[-1]))

On Wed, Jun 4, 2008 at 3:42 PM, Nair, Murlidharan T <mnair@iusb.edu> wrote:

> I am trying to plot the following data using dotchart
>
> intersect.data<-structure(list(X = structure(c(1L, 3L, 8L, 9L, 10L, 11L,
> 12L,
> 13L, 14L, 15L, 2L, 4L, 5L, 6L, 7L), .Label = c("1-100", "1001-1100",
> "101-200", "1101-1200", "1201-1300", "1301-1400", "1401-1500",
> "201-300", "301-400", "401-500", "501-600", "601-700", "701-800",
> "801-900", "901-1000"), class = "factor"), svmT.mcmT = c(10L,
> 9L, 5L, 7L, 10L, 6L, 7L, 6L, 7L, 7L, 7L, 7L, 10L, 9L, 8L), svmT.svmCell =
> c(4L,
> 5L, 8L, 6L, 3L, 4L, 7L, 10L, 6L, 5L, 6L, 9L, 10L, 8L, 6L), svmT.mcmCell =
> c(12L,
> 11L, 4L, 8L, 7L, 11L, 5L, 9L, 5L, 7L, 7L, 6L, 6L, 8L, 5L), mcmT.svmCell =
> c(1L,
> 6L, 7L, 7L, 7L, 6L, 5L, 9L, 14L, 4L, 2L, 6L, 3L, 7L, 4L), mcmT.mcmCell =
> c(6L,
> 7L, 12L, 9L, 13L, 7L, 11L, 4L, 8L, 11L, 11L, 12L, 4L, 15L, 16L
> ), svmCell.mcmCell = c(5L, 9L, 7L, 7L, 8L, 6L, 3L, 9L, 4L, 13L,
> 9L, 10L, 5L, 7L, 7L)), .Names = c("X", "svmT.mcmT", "svmT.svmCell",
> "svmT.mcmCell", "mcmT.svmCell", "mcmT.mcmCell", "svmCell.mcmCell"
> ), class = "data.frame", row.names = c(NA, -15L))
>
> dotchart(intersect.data)
>
>
> It gives me an error saying x must be numeric.  I can edit it manually
>  looking at the VADeaths example but is there an easy way to handle this?
>
> Thanks ../Murli
>
> ______________________________________________
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> PLEASE do read the posting guide
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> and provide commented, minimal, self-contained, reproducible code.
>



-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O

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