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Date archive for January, 2010

  • Mystery or Junk data warehouse dimensions

    Sometimes, when you are designing a star schema model, you’ll find yourself in a dilemma. You’ve come up with a beautiful design, right out of the pages of a Ralph Kimball book with 5 dimensions, and 5 measures, and you are on your way to star schema heaven when suddenly the users start asking akward […]

    1/18/10 • (3)

  • Spreadsheet errors- Fear, uncertainty and doubt

    I love the acronym FUD which stands for “Fear, uncertainty and doubt”. What I don’t love is the underhanded use of FUD to manipulate peoples behavior. Spreading FUD is not about creating something new, but destroying- destroying someones confidence in something, clouding the real issue, stopping a new or creative direction from being taken. FUD […]

    1/11/10 • (1)

  • The tragedy of anti-data leadership and dataphobia

    There has been a lot of discussion in the last year or so about how important data analysis is becoming. IBM made a major move into data analytics by establishing a new organisation “Business Analytics & Optimization Services” with 4000 people in it. There was the much quoted Hal Varian of Google who predicted that […]

    1/07/10 • (4)