Tag: design of experiments
Management Books
-
An Accidental Statistician: The Life and Memories of George E. P. Box
by
George E. P. Box
From early childhood to a celebrated career in academia and industry, acclaimed statistician George E.P. Box offers personal insights and a first-hand account of his professional accomplishments in this insightful memoir. It features thoughts from more than a dozen researchers and practitioners on how Box shaped their careers; previously unpublished photos from Box’s personal collection; and Forewords written by two of Box’s closest colleagues and confidants. An Accidental Statistician is a charming, intimate account of a great intellect’s life that will appeal to math and engineering professionals.
Management Articles
-
A Fun Presentation on a Powerful Software Test Design Approach
by
Justin Hunter
"My own consistent experiences and formal studies indicate that pairwise, orthogonal array-based, and combinatorial test design approaches often lead to a doubling of tester productivity (as measured in defects found per tester hour) as compared to the far more prevalent practice in the software testing industry of selecting and documenting test cases by hand."
-
A Useful Method For Model-Building
by
George E. P. Box, William G. Hunter
"The object of much experimentation is to build or discover a suitable model. This is done by an iterative procedure in which a particular model is tentatively entertained, strained in various ways over the region of applicat.ion, and its defects found. The nature of the defects interacting with the experimenter’s technical knowledge can suggest changes and remedies leading to a new model which, in turn, is tentatively entertained, and submitted to a similar straining process."
-
Design of Experiments: An Overview and Application Example
by
John S. Kim, James W. Kalb
"DOE techniques are not new to the health-care industry. Medical researchers have long understood the importance of carefully designed experiments. These techniques, however, have not been applied as rigorously in the product and design phases as in the clinical evaluation phase of product development. The recent focus by FDA on process validation underscores the need for well-planned experimentation."
-
Teaching Engineers Experimental Design with a Paper Helicopter
by
George E. P. Box
"How a paper 'helicopter' made in a minute or so from 8 1/2' x 11' sheet of paper can be used to teach principles of experimental design including - conditions for validity of experimentation, randomization, blocking, the use of factorial and fractional factorial designs, and the management of experimentation."
-
Split-Plot Designs: What, Why, and How
by
Bradley Jones
"The past decade has seen rapid advances in the development of new methods for the design and analysis
of split-plot experiments. Unfortunately, the value of these designs for industrial experimentation has not
been fully appreciated. In this paper, we review recent developments and provide guidelines for the use of
split-plot designs in industrial applications."
-
A Personal Story of DOE
by
Bill Kappele
"Back in the lab, I tackled ink with DOE. I was able to perform a small number of experiments and learn about interactions among the ingredients. I could see which ingredients appeared to be the most important, which ingredients interacted, and which inte
-
Using Design of Experiments as a Process Road Map
by
Davis Balestracci
"The current design of experiments (DOE) renaissance seems to favor factorial designs and/or orthogonal arrays as a panacea. In my 25 years as a statistician, my clients have always found much more value in obtaining a process "road map" by generating the inherent response surface in a situation."
-
Design of Experiments in Healthcare Delivery
"Typically, this involves iterative testing of different factors, settings and configurations, and using the results of successive tests to further refine the product or process. When properly done, a DOE approach produces more precise results while using many fewer experimental runs than other methods (e.g., one factor at a time, or trial and error)"
-
The Art of Discovery
by
George E. P. Box, John Hunter
Quotes by George Box in the video:
“The scientific method is how we increase the rate at which we find things out.”
“I think the quality revolution is nothing more, or less, than the dramatic expansion of the of scientific problem solving using informed observation and directed experimentation to find out more about the process, the product and the customer.”
“Tapping into resources:
Every operating system generates information that can be used to improve it.
Everyone has creativity.
Designed experiments can greatly increase the efficiency of experimentation."
-
Maximize Test Coverage Efficiency And Minimize the Number of Tests Needed
by
John Hunter
"The steeper the slope the more efficient your test plan is. If you repeat the same tests of pairs and triples and… while not taking advantage of the chance to test, untested pairs and triples you will have to create and run far more test than if you intelligently create a test plan. With many interactions to test it is far too complex to manually derive an intelligent test plan. A
-
Response surface methods and sequential exploration
by
Ron Kenett, David M. Steinberg
"A typical response surface study begins with a screening experiment to identify the most important factors. Small, orthogonal experimental plans and simple regression models are usually used for screening (see our second and third blog posts in this series). Subsequent experiments will depend on the results of the screening experiment. For example, factors that had small effects might be dropped from further consideration. Other factors might be added. The team might decide to shift the levels of some of the factors to get better results for the critical quality attributes (CQA’s). If the results suggest that a first-order model is no longer a good fit to the data, the team expands the design to permit fitting a second-degree regression model."
-
Do Interactions Matter?
by
George E. P. Box
"It has recently been argued that in an industrial setting the detection and elucidation of interactions between variables is unimportant. In this report the contrary view is advanced and is illustrated with examples."
-
Statistics for Discovery
by
George E. P. Box
This report explores why investigators in engineering and the physical sciences rarely use statistics. It is argued that statistics has been overly influenced by mathematical methods rather than the scientific method and consequently the subject has been greatly skewed towards testing rather than discovery.
Management Web Sites and Resources
-
Curious Cat Management Improvement Articles
by
John Hunter
Hundreds of useful management articles hand selected to help managers improve the performance of their organization. Sorted by topic including: Deming, lean manufacturing, six sigma, continual improvement, innovation, leadership, managing people, software development, psychology and systems thinking.
-
Life and Legacy of William G. Hunter
by
John Hunter, William G. Hunter
George Box, Stuart Hunter and Bill wrote what has become a classic text for experimenters in scientific and business circles, Statistics for Experimenters.
Bill also was a leader in the emergence of the management improvement movement. George Box and Bill co-founded the Center for Quality and Productivity Improvement at the University of Wisconsin-Madison.
Bill Hunter was also the founding chair of the ASQ statistics division.
-
Curious Cat Management Improvement Blog
by
John Hunter
Blog by John Hunter on many topics to to improve the management of organizations, including: Deming, lean manufacturing, agile software development, evidence based decision making, customer focus, innovation, six sigma, systems thinking, leadership, psychology, ...
-
Center for Quality and Productivity Improvement
by
George E. P. Box, William G. Hunter
Founded in 1985 by George E.P. Box and the William Hunter at the University of Wisconsin - Madison.
The technical report series is one of the best online management resources with reports authors including: George Box, W. Edwards Deming, Peter Scholtes, Kaoru Ishikawa, William Hunter, Gipsie Ranney and Brian Joiner.
Sadly the center has abandoned the ideas of George Box and Bill Hunter. It once was a very important center for thought about management improvement. The legacy left by Box and Hunter has been lost. I find this very sad and a huge insult to the memories of those great men. Bill Hunter was my father and built the Center after he was diagnosed with fatal cancer because it was a useful way to provide benefit to the world. Seeing that cause abandoned I find insulting and extremely unfortunate for all those that no longer have the possibility of benefiting from the vision of Box and Hunter through the center.
Thankfully many people that learned from them have continued to build upon their work. And their books, writing and other material continue to inspire those interested in management improvement.
-
Curious Cat Management Improvement Connections
by
John Hunter
The aim of Curious Cat Management Improvement Connections is to contribute to the successful adoption of management improvement to advance joy in work and joy in life.
The site provides connections to resources on a wide variety of management topics to help managers improve the performance of their organization. The site was started in 1996 by John Hunter.