data(MBCBExpressionData)
#create files from the data provided in this package in the current directory
write.table(expressionSignal, 'signal.txt', sep="\t");
write.table(negativeControl, 'negative.control.txt', sep="\t");
#open the GUI; you can use the files just created as input for the signal and
# negative control files.
mbcb.gui();
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