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Strip Plot Design

Suppose you have two treatment factors both of which require large plots. A strip plot design allows you reduce the amount of land needed for the experiment by splitting the area to be studies into horizontal and vertical strips. Each horizontal strip recieved a level from one of the treatment factors and each vertical strip recieves a level from the other treatment factor.

In industrial settings, this design is used when there are two distinct stages of processing where each stage can only be configured in batches.

Design Parameters

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Design Parameter Explanation

Treatments (Row)
A comma seperated list of the treatments to be applied to rows.
Treatments (Column)
A comma seperated list of the treatments to be applied to column.
Repititions
The number of times the blocked treatments will be run.
Seed (optional)
If the design is to be randomized, the seed for the random number generator. Use this to ensure repeatability of the randomization.

Design

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Subject Number Block Row Column Row Treatment Column Treatment
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References

  • Arnouts, H, Goos, P, and Jones, Bradley (2009), "Design and Analysis of Industrial Strip-plot Experiments," Quality and Reliability Engineering International, 26, 2.