Hi everyone,

I have the following call to the barplot() function which produces the
desired stacked bar chart. HOWEVER, barplot() chooses 4 different shades of
gray for the stacks. If I want to use the legend=NULL argument in
combination with a separate call to legend() to customize the legend, how
do I figure out exactly what shades of gray barplot() has choosen? Can
these color names be extracted from the barplot after saving it as an
object?

barplot(table(credit_rating_num,clu_),
 xlab="Cluster Label",
 ylab="Frequency",
 ylim=c(0,7000),
 legend=c("C2","C3","C4","C5"))

Thank you,

Dan

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