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Hi,
I would like to get some help on troubleshooting the situation.
I ran a mixture design with 3 factors, followed by augmentation with a new separate block. I then fitted the data from the initial mixture design and augmentation.
Now, when I try to visualize contour on ternary plot by adding fitted formula to the 'Contour formula', I get the error message below.
This makes sense since the formula includes the 'Block' column. Is there any workaround for visualizing the contour on a ternary plot in this case?
Also moving forward, if I would like to run augmentation in separate block and still want to visualize contour with fitted function, what would be the ideal way?
Thank you!
Could you provide more information about this? I created a 3 factor mixture design in the Custom Designer, then used DOE > Augment Design to increase it to a Scheffe Cubic model, and the Contour Profiler works without errors. I've attached the data table. Could you indicate if you've done something different or if I'm misunderstanding?
