igraph, r : unlist node centrality scores for a list of matrices -

i working list of network graphs (i.e., 1000+ adjacency matrices) i'm analyzing igraph package. graphs stored in split file, each graph having unique id.

i have calculated individual nodes' betweenness centrality scores in each respective graph, using following code:

b <- function (b) betweenness(b, directed = false, normalized = true) between <- lapply (listofgraphs, b)  show(between) #looks this:  $`35630`           #graph id 1676 1741 1750     #node id 0    1    0        #scores  $`35631` 1738 1750  0     1   $`35633` 1738 1750 4110  0    0    0  

now, need 1 dataframe colums graph id's, node id's , individual scores betweenness. this:

graph.id    node.id    betweenness 35630       1676       0 35630       1741       1 35630       1759       0 35631       1738       0 35631       1750       1 35631       1738       0       35633       1750       0 35633       et cetera ..... 

i've tried unlist, rbind , such, reason can't work. if me amazing!

we melt list after stacking named vectors in list

library(reshape2) melt(lapply(between, stack))[-2]