Design of Experiments

Design of Experiments, or DOE, is one of the most powerful tools available to Lean Six Sigma practitioners. Sadly, many people simply don't understand what an authentic DOE is or, in some cases, some practitioners mistakenly believe their one factor at a time experiment is in fact a DOE when, really, it isn't.

Introduction to Design of Experiments (DOE)

In this video Ron Pereira introduces Design of Experiments (DOE). During the module you'll learn the key difference between One Factor at a Time (OFAT) experiments and DOEs. You'll also learn the three types of DOEs are and when they are best used.

Full Factorial DOE Part I

You will learn what a full factorial DOE as well as how to set one up. You'll also learn what a Yate's diagram is and how main effects and interaction effects are derived.

Full Factorial DOE Part 2

This module focuses on how to set your DOE up correctly - things like how to select factors and levels are discussed. Key DOE concepts such as blocking and replication are also discussed.

Full Factorial DOE Part 3

In this lesson you'll learn how to analyze and interpret a Full Factorial DOE including how to reduce the model accordingly prior to creating main effects and interaction plots.

Conducting Full Factorial DOEs in Minitab

In this video you'll learn exactly how to setup and analyze a full factorial DOE.

Conducting Full Factorial DOES in SigmaXL

In this video you\'ll learn exactly how to setup and analyze a full factorial DOE in SigmaXL.

Fractional DOEs

Learn what Fractional DOEs are and how they can be used to test many factors in a single experiment without having to test every possible factor combination. You'll also learn about key concepts such as confounding, aliases, and resolution. 

Learn what Fractional DOEs are and how they can be used to test many factors in a single experiment without having to test every possible factor combination. You'll also learn about key concepts such as confounding, aliases, and resolution.

Fractional DOEs in Minitab

Learn exactly how to conduct a Fractional DOE inside Minitab including the correct way to reduce the model.

Fractional DOEs in SigmaXL

Learn exactly how to conduct a Fractional DOE inside SigmaXL including the correct way to reduce the model.

Optimization DOEs Part 1

In this video you'll learn about the Central Composite Design (CCD) DOE including a discussion of what center and axial or star points are and they form the basis of Optimization DOEs.

Optimization DOEs Part 2

In this video you'll learn how to conduct and interpret a CCD DOE including how to create and interpret Contour and Surface plots. You'll also learn how to leverage the powerful Response Optimizer inside Minitab once you've developed a strong model.

Optimization DOEs in Minitab

Learn exactly how to conduct a CCD DOE including how to create contour and 3D surface plots. You'll also learn how to setup and use the Response Optimizer which is, quite possibly, one of the most powerful tools inside Minitab.

Optimization DOEs in SigmaXL

Learn exactly how to conduct a CCD DOE including how to create contour and 3D surface plots using SigmaXL. You'll also learn how to setup and use the MS Excel Solver in order to optimize your response. This little used, or known about, Excel tool is extremely powerful!

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