Hi, all!
I need to calculate local clustering coefficient for a huge bunch of
egocentric networks with 1.5 depth. All the files are edgelists named after
ego-s, and are stored in 'edgelist' folder. Here is my code to batch import
it:
datanames <- as.character(lapply(list.files("./edgelists"), FUN =
function(x) strsplit(x, split="\\.")[[1]][1]))
dataset <- lapply(datanames, function(x) list(assign(x,
read.table(paste("./edgelists/", x, ".csv", sep=""), header=TRUE,
sep=","))))
graphs <- lapply(dataset, function(dataset) graph.data.frame(dataset,
directed=F, vertices=NULL))
Now I need to calculate transitivity only for the egos, which names are
stored as a chr in 'datanames'.
It seems like I can't use this variable as a value for vids parameter, 1)
neither directly, 2) nor after convertion to numeric, double and integer in
this function
trans <- lapply(graphs, function(graph) transitivity(graph, type = "local",
vids=datanames))
because in the first case it returns the following error:
1) Error in as.igraph.vs(graph, vids) : Invalid vertex names
and after convertion to numeric types I get:
2) Error in .Call("R_igraph_transitivity_local_undirected", graph, vids,
:
At iterators.c:759 : Cannot create iterator, invalid vertex id, Invalid
vertex id
How can I accomplish my task then?
Thanks in advance,
Alex.
(Social | Network | Data) Analyst
Junior Research Fellow at the International Laboratory of Applied Network
Research
National Research University Higher School of Economics
http://anr.hse.ru/en/
http://jarens.ru
ru.linkedin.com/in/semenoffalex/
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skype: semenoffalex
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