Zhen Pang wrote: ...
I now want to run the code under unix. However, I do not know how to run this code in txt file under unix. I just log in to the unix and enter the R, what should I do next?...
One more question is: if I log off my computer when R is running under unix (i.e., disconnect my computer from server), will I get the result when I log in my computer next time?
You'll lose it if you run R in the normal, interactive way. Running it in the background will allow you to log out and still have it running, but!
1) If you're not the only person using this machine, you learn the command "nice" before you begin.
2) I'm not certain you'll be able to produce jpeg or png graphics when backgrounded; your backgrounded task needs access to the windowing system for graphics rendering, and local security policy might prohibit this.
3) Save early, save often. You probably already know that, but it bears repeating.
Here are some suggested steps to run your simulation in background mode. Unfortunately, the exact commands will depend on which version of Unix you're using, and what command shells are available. Consult your local expert.
1) transfer the text file of commands to the unix machine. FTP, using ASCII mode is safest.
2) log onto the Unix machine.
3) run sh, ksh, or bash. (the syntax for what follows is different for the C shell, and I don't know it).
4) using a stripped-down version of your script which will complete in a short time (say, a minute or two), just to check that things work, type
nohup nice 15 R < my.small.script >my.output 2>&1 &
(again, learn what "nice" means before you use it. This may not be suitable, and it's impossible for me to tell from here if it is).
I know that's not the full answer, but only someone who knows the local setup can give you that answer.
Cheers
Jason -- Indigo Industrial Controls Ltd. http://www.indigoindustrial.co.nz 64-21-343-545 [EMAIL PROTECTED]
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