Chapter 4, Computed Pattern

For a slide showing, on the left, un-aggregated data about individual bottles of wine, and on the right, aggregated data about wines grouped by by country and by type, the lecturer describes the data on the right as non-aggregated: “If looking more often at the information on the right, the non-aggregated data than the changes that are happening on my collection on the left, it makes more sense to generate this data and cash it in the appropriate documents.” I believe that the information on the right is aggregated data.

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I was confused by the lecturer’s statement too