Hello,
I have a graphing question: I have 7 variables. All the variables take
values from 1 to 4. 
I would like to produce a  single graph on which the frequencies are
categorized for the seven variables, for each of the 4 values. That is, 
for value one 
depict a frequency bar for the first variable 
depict a frequency bar for the second variable next to it 
depict a frequency bar for the third variable next to it  
for value two 
depict a frequency bar for the first variable 
depict a frequency bar for the second variable next to it 
depict a frequency bar for the third variable next to it  
for value three 
depict a frequency bar for the first variable 
depict a frequency bar for the second variable next to it 
depict a frequency bar for the third variable next to it  
for value four 
depict a frequency bar for the first variable 
depict a frequency bar for the second variable next to it 
depict a frequency bar for the third variable next to it  
Here the categorization is over "the values the seven variables take", and 
it is not over "a variable". 
I tried several commands of bar graph but cannot really get what I want.
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