write_graph: Writing the graph to a file in some format
Description
write_graph
is a general function for exporting graphs to foreign
file formats, however not many formats are implemented right now.Usage
write_graph(graph, file, format = c("edgelist", "pajek", "ncol", "lgl",
"graphml", "dimacs", "gml", "dot", "leda"), ...)
Arguments
graph
The graph to export.
file
A connection or a string giving the file name to write the graph
to.
format
Character string giving the file format. Right now
pajek
, graphml
, dot
, gml
, edgelist
,
lgl
, ncol
and dimacs
are implemented. As of igraph 0.4
this argu
...
Other, format specific arguments, see below.
Edge list format
The edgelist
format is a simple text file,
with one edge in a line, the two vertex ids separated by a space character.
The file is sorted by the first and the second column. This format has no
additional arguments.References
Adai AT, Date SV, Wieland S, Marcotte EM. LGL: creating a map of
protein function with an algorithm for visualizing very large biological
networks. J Mol Biol. 2004 Jun 25;340(1):179-90.