Category Archives: Data

Friday Fun: Correlation

From the excellent xkcd comic. Related: Correlation is Not Causation – Does the Data Deluge Make the Scientific Method Obsolete? – Understanding Data – Theory of Knowledge – What Makes Scientists Different 🙂 – Dangers of Forgetting the Proxy Nature … Continue reading

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Statistics for Experimenters in Spanish

Statistics for Experimenters, second edition, by George E. P. Box, J. Stuart Hunter and William G. Hunter (my father) is now available in Spanish. Read a bit more can find a bit more on the Spanish edition, in Spanish. Estadística … Continue reading

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What’s the Value of a Big Bonus?

What’s the Value of a Big Bonus? by Dan Ariely To look at this question, three colleagues and I conducted an experiment. We presented 87 participants with an array of tasks that demanded attention, memory, concentration and creativity. We asked … Continue reading

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Tilting at Ludicrous CEO Pay 2008

I continue to tilt at the robber barron CEO pay packages (2007 post on CEO pay abuses). 2007 pay rank Company CEO Pay 5 Year Pay CEO % of 2007 Earnings 1 Apple Steve Jobs $646,600,000 $650,170,000 18.5% 2 Occidental … Continue reading

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Global Manufacturing Data 2007

The updated data from the United Nations on manufacturing output by country clearly shows the USA remains by far the largest manufacturer in the world. UN Data, in billions of current US dollars: Country 1990 1995 2000 2005 2006 2007 … Continue reading

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Does the Data Deluge Make the Scientific Method Obsolete?

The End of Theory: The Data Deluge Makes the Scientific Method Obsolete by Chris Anderson “All models are wrong, but some are useful.” So proclaimed statistician George Box 30 years ago, and he was right. But what choice did we … Continue reading

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Hiring the Right Person

Malcolm Gladwell presented at the New Yorker conference on the Challenge of Hiring in the Modern World. As usually, he provides some great thoughts. I wrote on Hiring the Right Workers The job market is an inefficient market. There are … Continue reading

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California Uses More Gas than China

Amazing Stat: California Uses More Gas than China [the broken link was removed]: California alone uses more gasoline than any country in the world (except the US as a whole, of course). That means California’s 20 billion gallon gasoline and … Continue reading

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Outcome and In-Process Measures

An outcome measure is used to measure the success of a system. For example, the outcome measure could be the percentage of people who do not get polio (the result). An output measure, for example, would be the number of … Continue reading

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Fed Funds Rate Changes Don’t Presage Mortgage Rate Changes

The recent drastic reductions again emphasize (once again) that changes in the federal funds rate are not correlated with changes in the 30 year fixed mortgage rate. In the last 4 months the discount rate has been reduced nearly 200 … Continue reading

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