# NOT RUN {
mdata <- matrixData(main=data.frame(a=1:3, b=6:8),
annotCols=data.frame(c=c('a','b','c')),
annotRows=data.frame(x=factor(c('1','1'))))
value <- c('aaa', 'bbb', 'ccc')
description(mdata) <- value
# }
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