Company Training Courses

Be Sure to Check the Residuals When Analyzing the Outcome of your Designed Experiments

Continuing his series of tips for people implementing Continuous Process Improvement, our tutor Albert Plant writes: There is a natural tendency for experimenters to hurry to look at the effects graphs, ANOVA’s and other analysis, when they have completed their hard work runni...

Consider Carefully Whether You Need to Block when Designing Experiments

I think that some experimenters believe that you should always be a case for using blocks when designing experiments. This is not so. There will be circumstances when it will be necessary to consider using blocks, but blocking doesn’t come cheaply. For example, four blocks ...

Don’t Add Centre Points to Screening Designs when Designing Experiments

Some experimenters believe that you must always include centre points when designing experiments. This is not the case, and in particular, it doesn’t make sense to include centre points when designing screening-type experiments, with large number of factors. Centre points h...

Opportunity for Lean Tutor

Lean Tutor required with experience in the Manufacturing Sector. Lean experience in the Services sector and a qualification as a Lean Six Sigma Black Belt would be advantageous. Please contact Éamon O’Bearra on 087 267 0480 or email eamonobearra@asst.ie ...

Don’t Replicate Fractional Factorial Designs when Designing Experiments

Some experimenters are of the view that it is always necessary to replicate designs in order to test for significant effects. As a consequence, some experimenters will replicate fractional factorial designs. This doesn’t make sense. Consider the case of a quarter fraction, 2-...

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