dear all,
apologizes for bothering with a probably stupid question but I really
don' t know how to proceed.
I have a dataset which look like df
a <- c(1,2,3,4,4,4,5,5)
b <- c(11,7,4,9,8,3,12,4)
df <-cbind(a,b)
I would like to have one which looks like this:
a
1 11
2 7
3 4
4 9 8 3
5 12 4
a are vertex of a network, b the edges. In the data the lenght of a is
about 50000
I read several posts about reshape, reshape2, split, ldply but I
couldn't manage to do it. The problem seems to be that the is not a real
panel.
Any help would be really appreciated,
my best regards
Marco
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