Hello,
I am using function makePSOCKcluster to make parallel computation on 3 EC2
Amazon machines.
I have a passwordless between machines and ssh is correct.
In the R 2.15.1 release this function works correctly.
Installing R 3.0.1 on my EC2 machines makePSOCKcluster does not produce the
cluster.
If I run the function with outfile="" option, I obtain this message
Error in socketConnection(master, port = port, blocking = TRUE, open =
"a+b", :
cannot open the connection
Calls: <Anonymous> ... doTryCatch -> recvData -> makeSOCKmaster ->
socketConnection
In addition: Warning message:
In socketConnection(master, port = port, blocking = TRUE, open = "a+b", :
ip-10-158-31-12:11883 cannot be opened
Execution halted
Can you help me?
Best regards
Anna Longari
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