Methods, systems, and apparatuses, including computer programs encoded on computer readable media, for generating Venn-like diagram illustrating cross channel conversion paths. In one aspect, a plurality of conversion paths are received. Each conversion path includes one or more user interactions that include a plurality of dimensional data. A sorted list of channel groups that includes one or more group rules is received and each user interaction is grouped into a channel based upon the channel groups. A selection of channels to visualize is received and an image including one circle for each selected channel is generated. The circles are optimally placed to maximize the accuracy of the overlapped regions with channel group data.
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