batch file - The R script must not set the working directory -- What does this mean ? -


i running r in batch mode using rwui display visual contents.

in last section of document: http://sysbio.mrc-bsu.cam.ac.uk/rwui/tutorial/technical_report.pdf, said "the r script must not set working directory" -
don't understand mean that. have checked it's still obscure me. briefly explain me sentence means?

i checked r script , seems create directory. setwd("a path").

i take mean script should not set working directory. need remove setwd() command , instead read in files using full path filename


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