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Super User

Optimal Designs with Axials (ODA) Add-In

This hybrid between traditional optimal designs and central composite designs gives you superior ability to estimate quadratic terms while retaining the flexibility of optimal designs with run size, model specification, and the ability to easily incorporate categorical factors. This is made a possible through a simple modfication to the coordinate exchange algorithm.


Add-in includes the ODA generator application and a user guide.


This add-in is the subject of a presentation at the upcoming 2018 Discovery Summit at SAS Headquarters.  An article on this subject has also been accepted to the Journal of Quality Technology, but will not appear in print until 2019.