Category Archives: Design of Experiments

Profound Podcast: John Hunter – Curious Cat

Posted on February 18, 2022 by John Hunter

John Willis interviewed me for his Profound podcast series (listen to part one of the podcast, John Hunter – Curious Cat) John Hunter, Hurricane Ridge Trail, Olympic National Park This post provides links to more information on what we discussed … Continue reading →

Posted in Deming, Design of Experiments, Management | Tagged Data, Deming, John Hunter, podcast | Comments Off

Understanding Design of Experiments (DoE) in Protein Purification

Posted on August 4, 2016 by John Hunter

This webcast, from GE Life Sciences, seeks to provide an understanding Design of Experiments (DoE) using an example of protein purification. It begins with a good overview of the reason why multi-factorial experiments must be used while changing multiple factors … Continue reading →

Posted in Design of Experiments | Tagged Data, Design of Experiments, experiments, Health care, robust, Six sigma | Comments Off

Design of Experiments: The Process of Discovery is Iterative

Posted on July 30, 2013 by John Hunter

This video is another excerpt on the design of experiments videos by George Box, see previous posts: Introduction to Fractional Factorial Designed Experiments and The Art of Discovery. This video looks at learning about experimental design using paper helicopters (the … Continue reading →

Posted in Design of Experiments, Management, Process improvement, Quality tools, Statistics | Tagged Design of Experiments, experiments, George Box, management webcast, Process improvement, Quality tools, Statistics | 3 Comments

George Box

Posted on March 28, 2013 by John Hunter

I would most likely not exist if it were not for George Box. My father took a course from George while my father was a student at Princeton. George agreed to start the Statistics Department at the University of Wisconsin … Continue reading →

Posted in Data, Deming, Design of Experiments, Management, Manufacturing, Process improvement, Quality tools, quote, Respect, Six sigma, Statistics, Systems thinking, UK | Tagged curiouscat, Data, Deming, Design of Experiments, George Box, John Hunter, Madison, management, Process improvement, quote, respect for people, Six sigma, Statistics, UK, William Hunter | 15 Comments

Introductory Videos on Using Design of Experiments to Improve Results

Posted on June 18, 2012 by John Hunter

The video shows Stu Hunter discussing design of experiments in 1966. It might be a bit slow going at first but the full set of videos really does give you a quick overview of the many important aspects of design … Continue reading →

Posted in Data, Design of Experiments, Science, Six sigma, Statistics | Tagged Data, Design of Experiments, engineering, experiments, Process improvement, Science, Six sigma, Statistics, variation, webcast | 6 Comments

One factor at a time (OFAT) Versus Factorial Designs

Posted on May 25, 2011 by Guest Post

Guest post by Bradley Jones Almost a hundred years ago R. A. Fisher‘s boss published an article espousing OFAT (one factor at a time). Fisher responded with an article of his own laying out his justification for factorial design. I … Continue reading →

Posted in Data, Design of Experiments, Popular, Quality tools, Science, Six sigma, Statistics | Tagged Design of Experiments, guest post, Popular, Quality tools, Science, Six sigma, Statistics | 6 Comments

Factorial Designed Experiment Aim

Posted on April 25, 2011 by John Hunter

Multivariate experiments are a very powerful management tool to learn and improve performance. Experiments in general, and designed factorial experiments in particular, are dramatically underused by managers. A question on LinkedIn asks? When doing a DOE we select factors with … Continue reading →

Posted in Design of Experiments, Management, Manufacturing, Process improvement, Quality tools, quote, Science, Six sigma, Statistics | Tagged Design of Experiments, engineering, experiments, management, Manufacturing, Process improvement, Quality tools, quote, Six sigma, Statistics | 4 Comments

Highlights from Recent George Box Speech

Posted on November 16, 2009 by John Hunter

The JMP blog has posted some highlights from George Box’s presentation at Discovery 2009 [the broken link was removed] Infusing his entire presentation with humor and fascinating tales of his memories, Box focused on sequential design of experiments. He attributed … Continue reading →

Posted in Data, Design of Experiments, Six sigma, Statistics | Tagged Bill Hunter, Data, Design of Experiments, Fun, George Box, John Hunter, Madison, Six sigma, Statistics | 6 Comments

YouTube Uses Multivariate Experiment To Improve Sign-ups 15%

Posted on August 17, 2009 by John Hunter

Google does a great job of using statistical and engineering principles to improve. It is amazing how slow we are to adopt new ideas but because we are it provides big advantages to companies like Google that use concepts like … Continue reading →

Posted in Customer focus, Data, Design of Experiments, Google, IT, Management, Process improvement, Quality tools, quote, Science, Software Development, Statistics | Tagged curiouscat, Customer focus, Data, Design of Experiments, experiments, Google, Innovation, internet, management, Science, Software Development, Statistics | 2 Comments

Combinatorial Testing for Software

Posted on March 26, 2009 by John Hunter

Combinatorial testing of software is very similar to the design of experiments work my father was involved in, and which I have a special interest in. Combinatorial testing looks at binary interaction effects (success or failure), since it is seeking … Continue reading →

Posted in Design of Experiments, Process improvement, Quality tools, Software Development | Tagged Bill Hunter, Design of Experiments, Process improvement, Public Sector, Software Development, software testing | 9 Comments