parent nodes: Box-Behnken design | Central Composite design | IndexRSM | Response_surface_methodology Array | Support


Rotatability is needed for a Response Surface design. A Matrix is rotatable if all the point have the same distance to the Center point.

Examples of rotatabel Designs

Central Composite design

Box-Behnken design
Center point

Examples of a not rotatabel Design

As visible in the graphical image of a 3 factor Full Factorial Design with 3 levels, the distance to the Center point variates.