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John Thuma's Blog Posts Tagged 'forbes' (1)

Your Math Is All Wrong: Flipping The 80/20 Rule For Analytics

I was deep into a presentation at a major retailer. In the darkened room, a lone hand shot up. “John, we spend 80% of our time on data load and prep. Only 20% is used to produce analytics. We don’t like that ratio.”

The speaker was right. About 80% of the analytics process is spent on data preparation and loading. Numerous examples come to mind. I remember a project for an auto insurance company using telematics and driver behavior. The one-off code to prepare the data took three days…

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Added by John Thuma on June 8, 2015 at 3:00am — 2 Comments

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