Toy cars and DOE: The results

Last time, I gave a Father’s Day tale of a father and son’s quest in dyeing toy cars. This time, I’ll share our results, but first remind you of the factors we studied: Car: A/B/C/D Dye type: Solid/liquid Dye amount: low/high (2 Tbsp liquid/4 Tbsp liquid per half cup, or […]

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Father's Day fun with toy cars and DOE

With Father’s Day fast approaching, it seemed fitting that I should share a story about a father and son bonding over design of experiments (DOE) and toy cars. Full disclosure: Some (including their wives) think both the father and son in this tale are too old to be playing with […]

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Using the Disallowed Combinations Filter in JMP 12

In a previous blog post, I investigated my travel time to work using an estimate from Google Maps. In that post, my possible departure times to and from work were the same every day. However, it’s not uncommon in designs, even when using computer simulators, to have restrictions on the […]

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Testing software preferences with a covering array

In any computer software, it’s not unusual to have a set of preferences to allow customization to the settings. JMP is no exception. For example, in JMP 12, the Categorical platform allows for a great deal of the output to be tailored to the user’s preferences. Here’s what we see […]

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IoT, DOE and more

Internet of Things (IoT) and design of experiments (DOE) are just two of the things you will hear about if you tune in to the Analytically Speaking webcast with Dennis J.K. Lin and Bradley Jones on June 10. Both are invited speakers at the 32nd Quality & Productivity Research Conference, […]

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Using a space filling design and Google Maps to plan my commute: Part 2

In my previous blog post, I created a 150-run space filling design to collect travel times over various departure times in the morning and evening. I wanted to see if I use this designed experiment to  learn something useful about my commute. Google Maps gives a range of times for […]

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Using a space filling design and Google Maps to plan my commute: Part 1

Whenever I’m getting ready to go to or from work, I always have a notion that if I leave by a certain time, my drive will be smoother due to less traffic. Of course, even if I leave at the same time every day, my drive time is still going […]

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Promoting interdisciplinary research at QPRC 2015

The Quality & Productivity Research Conference is about to take place in our backyard (so to speak) at the School of Textiles at North Carolina State University. And it includes a field trip to our front yard. The theme of the meeting is Creativity and Innovation for a Connected World. […]

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The QbD column: A QbD factorial experiment

A quick review of QbD The first blog post in this series described Quality by Design (QbD) in the pharmaceutical industry as  a systematic approach for developing drug products and drug manufacturing processes. Under QbD, statistically designed experiments are used to efficiently and effectively investigate how process and product factors […]

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Improvements to Design of Experiments book in JMP 12

In JMP 12, you will find new examples, improved organization and enhanced content in the Design of Experiments (DOE) book. You can find this book under the Help menu: Help > Books > Design of Experiments Guide. New Examples In the Starting Out chapter, a new example describes an experiment […]

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