Tag Archives: Statistics

Revealed Preference

Posted on May 16, 2009 by John Hunter

Revealed Preference: the preference consumers display by their action, in contrast to what they may say they prefer. While surveys may be useful people often say they will do one thing and actually when given the choice to do so, … Continue reading →

Posted in Data, Deming, Management, Psychology, Statistics | Tagged , , , | 1 Comment

How to Create a Control Chart for Seasonal or Trending Data

Posted on March 25, 2009 by John Hunter

Lynda Finn, President of Statistical Insight, has written an article on how to create a control chart for seasonal or trending data (where there is an underlying structural variation in the data). Essentially you need to account for the structural … Continue reading →

Posted in Data, Deming, Management, Process improvement, Quality tools, Science, Statistics | Tagged , , , , , , | 3 Comments

Friday Fun: Correlation

Posted on March 6, 2009 by John Hunter

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

Posted on January 5, 2009 by John Hunter

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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ASQ William Hunter Award 2008: Ronald Does

Posted on November 12, 2008 by John Hunter

The recipient of the 2008 William G. Hunter Award is Ronald Does. The Statistics Division of the American Society for Quality (ASQ) uses the attributes that characterize Bill Hunter’s (my father – John Hunter) career – consultant, educator for practitioners, … Continue reading →

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Full and Fractional Factorial Test Design

Posted on July 29, 2008 by John Hunter

I am a fan of design of experiments as long time readers know (see posts on design of experiments). Continue reading →

Posted in Design of Experiments, Process improvement, Statistics | Tagged , , , | 3 Comments

Stratification and Systemic Thinking

Posted on January 6, 2008 by John Hunter

I am reading a fascinating book by Jessica Snyder Sachs: Good Germs, Bad Germs. From page 108: At New York Hospital, Eichenwald and infectious disease specialist Henry Shinefield conceived and developed a controversial program that entailed deliberately inoculating a newborn’s … Continue reading →

Posted in Creativity, Data, Deming, Health care, Innovation, Management, Quality tools, Science, Statistics, Systems thinking | Tagged , , , , , , | 2 Comments

Data Can’t Lie

Posted on August 9, 2007 by John Hunter

Many people state that data can lie. Obviously data can’t lie. There are three kinds of lies: Lies, damn lies and statistics – Mark Twain Many people don’t understand the difference between being manipulated because they can’t understand what the … Continue reading →

Posted in Data, Management, Psychology | Tagged , , , | 13 Comments

All Models Are Wrong But Some Are Useful

Posted on March 4, 2007 by John Hunter

“All Models Are Wrong But Some Are Useful” -George Box A great quote. Here is the source: George E.P. Box, Robustness in the strategy of scientific model building, page 202 of Robustness in Statistics, R.L. Launer and G.N. Wilkinson, Editors. … Continue reading →

Posted in Fun, quote | Tagged , , , , , | 6 Comments

Performance Measures and Statistics Course

Posted on January 20, 2007 by John Hunter

Performance Measures and Statistics Course [the broken link was removed] – free course materials from a 2 day training course by Steven Prevette. Topics include: Dr. Deming’s red bead experiment, operational definitions, selecting performance targets, SPC, theory of variation, case … Continue reading →

Posted in Education, Statistics | Tagged , , | 1 Comment