Please send us the first few lines of your input file as an attachment because it's hard to say anything about what is wrong without seeing the file.
-- T. > Since the data contain patient information so I have spent a day to dig out the problem. It turns out that some of my rows contain character "; " and after removing the problematic record, igraph works perfectly and I really appreciate your and Gabor's help on creating this marvelous package! _______________________________________________ igraph-help mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/igraph-help
