Hi all,
I have a silly question, for me quite practical.
I have a database (vino_220510) containing exchanges among nodes and other
information on a yearly time series.
I extracted a single year dataframe including 3 columms: reporting nodes,
partner nodes, value of the exchange.
I used:
exp1999<-data.frame(vino_220510[vino_220510[, "year"]==1999, c("partner",
"reporter", "value")])
I wanted to make a weighted directed network of it, where the values are the
weights.
To do that I used:
write.table(exp1999, "exp1999.txt", row.names=FALSE)
exp1999<-read.graph("exp1999.txt", format="ncol", directed=TRUE,
weights="yes", names=TRUE)
Unfortunately, "partner" and "reporter" became nodes, in fact they appear in
the list "name".
get.vertex.attribute(exp1999, "name")
[1] "\"partner\"" "\"reporter\"" "\"ANT\""
I tried using:
write.table(exp1999, "exp1999.txt")
but than I've got:
exp1999<-read.graph("exp1999.txt", format="ncol", directed=TRUE,
weights="yes", names=TRUE)
Errore in read.graph.ncol(file, ...) :
At foreign.c:243 : Parse error in NCOL file, line 1 (syntax error,
unexpected ALNUM, expecting NEWLINE), Parse error
How can I solve it?
Thanks,
Umberto
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