Hi everybody!I'm a new user of R. I've been having a look to sotored mails in list, but I've been not able to find one suiting to my need. The issue is I have a neighbour list in a TXT file, just as lists generated by social network softwares (f.i. Pajek), where you get Field1, Field2, Value. In my case, list follow the next way:ID1 IDP2 SUMVAL1 56 0.0659358951 900 0.0441101851 1409 0.1963141973 4 0.0713203883 83 0.0162695643 529 0.0113592393 883 0.0122425333 1242 0.0165589244 3 0.0043070244 7 0.0046998214 16 0.0047351125 7 0.0103249265 16 0.0112505045 498 0.0097098585 502 0.0047757495 508 0.031411560 The question is, how can I convert this list into a matrix? I think is good to know that list contain more than 600000 rows with around 14000 nodes (participants). If it's possible I would like to know all necessary stetps to do this. This is: load the TXT file, create the matrix through data contained in it, and finally to export to CSV or TXT file. Any idea or suggestion will be wellcome!Thank you very much in advance.AJ [[alternative HTML version deleted]]
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