July 22, 2010
Does it seem to you like data analysis is busting out all over the place? It might become another fun game like chess or Chutes and Ladders — so this might be good time to recall an old admonition: Don’t just consume data, mind its pedigree. Repeating the warning, though, makes you look like a [...]
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July 13, 2010
One of the first things you learn about in business intelligence is ETL. Raw data gets harvested, washed and served. But Sandy Steier hadn’t heard. Sandy had been busy analyzing data. For years on Wall Street, he pored over mortgage-backed securities with a tool he and peers developed for themselves. He only learned of ETL [...]
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