[R] [igraph] number of items to replace is not a multiple of replacement length

I wrote a simple script to build graphs: require("RSQLite") require('igraph') drv <- dbDriver("SQLite") con <- dbConnect(drv, "case.db") dataset <- dbGetQuery(con, "select * from stream") table <- aggregate(rep(1, nrow(dataset)), by = list(identifier = dataset$actor_id, name = dataset$actor, page

[R] Regex with criteria from multiple lines

eer\"," ... "\"text\": \"bargerveen\"," ... " \"text\": \"hond\"," etc. ** I only want to get the data from the text field between the "id_str" and the "source" fields. I do