score:7

The key to achieving what you want is to use nested selections. The idea is to pass your whole data object to the first level and create an SVG group for the elements. For each of those elements, the actual visualization is then added in a similar fashion to what you're doing now.

Have a look at Mike's tutorial on nested selections. Remember to replace your currently hardcoded data calls with the respective elements, e.g. .data(d.counts) instead of .enter([1, 5, 10, 6]).


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