Screening Design of Experiments Sort Out Important Factors

As I stated in last week’s post, most beginning experimenters try to combine everything into one experiment.  The thinking is if they can include everything, they can do one experiment and be done.  But it never works that way.  Instead it is an iterative approach, where you learn as you go, getting a better understanding with each experiment conducted. So where and how do you get...

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A Beginners Guide To Design of Experiments

Design of experiments (DOE) is one of the most valuable tools in the Six Sigma toolkit.  It is the only tool that allows a proactive approach for process improvement.  Unlike analysis of variance (ANOVA) or regression where past data is analyzed, DOE allows for the collection of realtime data and its analysis.  It is ideally suited to address problems where more than one variable may affect...

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