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GuilleATT's avatar
GuilleATT
Frequent Visitor
5 years ago
Solved

Expand symbols only when needed

Hi,
maybe you have faced this before and can help me out!

In a matrix, imagine you have two levels of granularity, the data in my case looks something like these:

and the matrix something like this

and when expanded like this:

what I would like to avoid is having the "+" on the "B" since there is nothing to expand really... 
Thank you in advance!
Guillermo

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