Hi Jun,
Just remove the col.names:
colnames(x) <- NULL
isSymmetric(x)
[1] TRUE
HTH,
Jorge
On Sun, Nov 7, 2010 at 1:21 AM, Jun Shen <> wrote:
> Hi,
>
> I have this symmetric matrix, at least I think so.
>
> col1 col2 col3
> [1,] 0.20 0.05 0.06
> [2,] 0.05 0.10 0.03
> [3,] 0.06 0.03 0.08
>
> or
>
> structure(c(0.2, 0.05, 0.06, 0.05, 0.1, 0.03, 0.06, 0.03, 0.08
> ), .Dim = c(3L, 3L), .Dimnames = list(NULL, c("var1", "var2",
> "var3")))
>
> But isSymmetric() doesn't agree. Any comment? I am on R 2.10.1 Thanks.
>
> Jun
>
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>
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