Non-geeks want to know: will Hadoop mess up my data warehouse ecosystem?

Hadoop recently turned eight years old, but it was only 3-4 years ago that Hadoop really started gaining traction. It had many of us “older” BI/DW folks scratching our heads wondering what Hadoop was up to and if our tried-and-true enterprise data warehouse (EDW) ecosystems were in jeopardy. You didn't […]

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Finding the signal in the Twitter noise

Can a neat dataviz find the signal in the noise? Yes.

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Big data versus the not-so-humble opinion

Henrik Liliendahl Sørensen recently blogged about the times when a HiPPO (Highest Paid Person’s Opinion) outweighs data in business decision-making. While I have seen plenty of hefty opinions trump high-quality data, those opinions did not always come from the highest paid person. The stubborn truth is that we all hold our […]

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What do Hadoop superheroes do now that Hallows' Eve has come and gone?

Great works of fiction are filled with dynamic duos. Sherlock Holmes and Mr. Watson. Rosencrantz and Guildenstern. And, of course, superheroes like Batman and Robin. On Thursday, Nov. 5 at 1 p.m. ET, two real-world Hadoop superheroes – Arun C. Murthy, co-founder of Hortonworks, and Paul Kent, vice president of big […]

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Data-based television

.@philsimon on data and our viewing habits.

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Big data and omission neglect

In my previous post, I used the book Mastermind: How to Think Like Sherlock Holmes by Maria Konnikova to explain how additional information can make us overconfident even when it doesn’t add to our knowledge in a significant way. Knowing this can help us determine how much data our decisions need to be driven […]

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Big data and the treadmill of overconfidence

In her book Mastermind: How to Think Like Sherlock Holmes, Maria Konnikova discussed four sets of circumstances that tend to make us overconfident: Familiarity — When we are dealing with familiar tasks, we feel somehow safer, thinking that we don't have the same need for caution as we would when trying something […]

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Does your company need extra chief officers?

.@philsimon on title inflation.

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As the butter churns in Bangladesh

“Correlation does not imply causation” is a saying commonly heard in science and statistics emphasizing that a correlation between two variables does not necessarily imply that one variable causes the other. One example of this is the relationship between rain and umbrellas. People buy more umbrellas when it rains. This […]

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