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My understanding is that it is one purchasER -- a nice two-mode
network: set(ego,[purchase1,purchase2, ... , purchaseX]).
Think of the famous two-mode data set: 18 Southern Women. Instead of
deriving how the women are connected, Amazon looks at how the events
they attended are connected. Here is a great paper by Lin Freeman on
the Southern Women data set...
On Jan 3, 2007, at 12:22 PM, Neil Eckardt wrote:
> Does Amazon make public how they construct
> the consumption networks we see? Is it simply one purchase that
> ties two books together?
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