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Previously on "Help needed - Kick ass graphic idea needed"
It'll look crap. You won't be able to read anything off the first 10/20 bubbles.
A, AB, AC, AD, AE, AF etc ABCDEFGHIJKLMNOP etc etc
Impossible to read.
So if A is the most adopted and B the second most, what's the best graphic.
Seems like the simplest answer is some kind of tree diagram, with the most adopted product at the top, followed by the lesser adopted in order down the page/screen, somewhat like a family tree, with each pair joined by bars whose thickness is proportional to the sum of the prevalence of the group(s) that pair finds itself in.
But you'll have to be selective, and maybe include only the top ten lines at most. If you really want something flash, you could have an interactive SVG image where they can click on individual products and see just these "pair bars" going from that product to the others. For a small fee I might be able to whump up something like that this weekend.
Oh and in theory there's a shed load more than 144 possible combinations - You're talking factorials!
Stop trying to do it in one chart. Instead, you should rank the products by popularity, and then show the connections between those products and all other products, iterating through in separate charts, as necessary. You need to show conditional information, rather than joint information. If there are important connections in groups (e.g. how A and B together are connected to all others separately), you can show that in a conditional chart too, depending on what is necessary to support your analysis. That way, you can summarise any important connections in words, and point to specific charts (e.g. in an appendix to the main presentation/document) to show the inter-connectivity when questioned. Even if there were a chart that could visually depict what you want, the volume of information would obscure any analysis you were trying to emphasise.
Hence why I tried to point him to Stephen Few, a specialist in visualisations.
Stop trying to do it in one chart. Instead, you should rank the products by popularity, and then show the connections between those products and all other products, iterating through in separate charts, as necessary. You need to show conditional information, rather than joint information. If there are important connections in groups (e.g. how A and B together are connected to all others separately), you can show that in a conditional chart too, depending on what is necessary to support your analysis. That way, you can summarise any important connections in words, and point to specific charts (e.g. in an appendix to the main presentation/document) to show the inter-connectivity when questioned. Even if there were a chart that could visually depict what you want, the volume of information would obscure any analysis you were trying to emphasise.
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