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Title: Prediction properties of optimum response surface designs Authors:  Steven Gilmour - KCL (United Kingdom) [presenting]
Luzia Trinca - Unesp (Brazil)
Heloisa Oliveira - Universidade Federal de Santa Catarina (Brazil)
Cesar Oliveira - Instituto Tecnologico de Aeronautica (Brazil)
Abstract: Prediction capability is considered an important issue in response surface methodology. Following the line of argument that a design should have several desirable properties we have extended an existing compound design criterion to include prediction properties. Prediction of responses and of differences in response are considered. Point and interval predictions are allowed for. Extensions of existing graphical tools for inspecting prediction performances of the designs in the whole region of experimentation are also introduced. The methods are illustrated with two examples.