A long data frame contains all metadata about both the vertices
and edges of the graph. It contains one row for each edge, and
all metadata about that edge and its incident vertices are included
in that row. The names of the columns that contain the metadata
of the incident vertices are prefixed with
The first two columns are always named
they contain the numeric ids of the incident vertices. The rows are
listed in the order of numeric vertex ids.
A long data frame.
1 2 3 4 5
Attaching package: 'igraph' The following objects are masked from 'package:stats': decompose, spectrum The following object is masked from 'package:base': union from to weight color from_name from_color to_name to_color 1 1 2 1 green a red b red 2 2 3 2 green b red c red 3 3 4 3 green c red d red 4 4 5 4 green d red e red 5 5 6 5 green e red f red 6 6 7 6 green f red g red 7 7 8 7 green g red h red 8 8 9 8 green h red i red 9 9 10 9 green i red j red 10 1 10 10 green a red j red
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