On Sun, Feb 16, 2014 at 11:58 AM, Hermann Norpois <[email protected]>wrote:
> Hello,
>
> I observed the phenomenon that the first vertex suggests to be connected
> to itself -
>
Why would that be the case?
Gabor
> following the command get.adjelist. But this is not the case. Did I miss
> anything?
>
> Thanks Hermann
>
> Example:
> get.adjedgelist (huz)
>
> $rs112856858
> [1] 1 2 3 4 5 6 7
>
> $rs7366404
> [1] 8 9
>
> $rs117086422
> [1] 1 10 11 12 13 14 15
>
> ...
> It is not the case for:
> str (huz)
> IGRAPH UNW- 11 31 --
> + attr: name (v/c), x (v/n), y (v/n), weight (e/n)
> + edges (vertex names):
> rs112856858 -- rs117086422, rs57760052, rs28612348, rs58781670,
> rs4475691, rs950122, rs3905286
> rs7366404 -- rs4970334, rs4970333
>
> .....
> ... and:
> huz[,]
> 11 x 11 sparse Matrix of class "dgCMatrix"
> [[ suppressing 11 column names 'rs112856858', 'rs7366404',
> 'rs117086422' ... ]]
>
> rs112856858 . . 0.905914 0.918142 0.862112 . 0.851176
> rs7366404 . . . . . 0.965777 .
>
>
>
> dput (huz)
> structure(list(11, FALSE, c(2, 3, 4, 6, 8, 9, 10, 5, 7, 3, 4,
> 6, 8, 9, 10, 4, 6, 8, 9, 10, 6, 8, 9, 10, 7, 8, 9, 10, 9, 10,
> 10), c(0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3,
> 3, 3, 4, 4, 4, 4, 5, 6, 6, 6, 8, 8, 9), c(0, 1, 9, 2, 10, 15,
> 7, 3, 11, 16, 20, 8, 24, 4, 12, 17, 21, 25, 5, 13, 18, 22, 26,
> 28, 6, 14, 19, 23, 27, 29, 30), c(0, 1, 2, 3, 4, 5, 6, 7, 8,
> 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
> 25, 26, 27, 28, 29, 30), c(0, 0, 0, 1, 3, 6, 7, 11, 13, 18, 24,
> 31), c(0, 7, 9, 15, 20, 24, 25, 28, 28, 30, 31, 31), list(c(1,
> 0, 1), structure(list(), .Names = character(0)), structure(list(
> name = c("rs112856858", "rs7366404", "rs117086422", "rs57760052",
> "rs28612348", "rs4970334", "rs58781670", "rs4970333", "rs4475691",
> "rs950122", "rs3905286"), x = c(845274L, 845283L, 845635L,
> 845938L, 846078L, 846338L, 846398L, 846489L, 846808L, 846864L,
> 847228L), y = c(22.613664, 6.872323, 24.143785, 25.418544,
> 27.025684, 6.891312, 23.619718, 6.853977, 24.952302, 26.177151,
> 25.863288)), .Names = c("name", "x", "y")), structure(list(
> weight = c(0.905914, 0.918142, 0.862112, 0.851176, 0.830663,
> 0.828752, 0.795978, 0.965777, 0.954814, 0.968856, 0.91619,
> 0.899706, 0.886057, 0.905914, 0.847388, 0.948302, 0.928708,
> 0.918511, 0.918142, 0.877348, 0.879914, 0.967857, 0.967698,
> 0.926782, 0.988668, 0.852178, 0.851176, 0.811661, 0.956284,
> 0.917279, 0.916858)), .Names = "weight"))), class = "igraph")
>
>
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>
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