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Interactions

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A interaction is when the result is not the sum of two factors. With a interaction it can occur that the result of the to factors is lower or higher as the sum of the result.

For the interaction Dialog go to DOE=>Interactions

This Dialog is for selecting interaction that needs to be calculated in a Design of Experiment.

Example


Data file

The Matrix indicates that Column C (pink means error) can not be used because that it is be used by the interaction. A bigger orthogonal matrix is needed. The indication of errors in the array is only been displayed when the check-box Check is on in the statistical mode plane.

With a bigger matrix it is possible to calculate the interaction.


The not used Columns can be removed. This is the result with measure data.


Adding a extra interaction between D and G the interaction dialogue will indicate that there is an error because both interactions interact with each other.


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