For the case of two levels (L=2), Plackett and Burman used the method found in 1933 by Raymond Paley for generating orthogonal matrices whose elements are all either 1 or -1 (Hadamard matrices).
•
For the case of more than two levels, Plackett and Burman rediscovered designs that had previously been given by Raj Chandra Bose and K. Kishen at the Indian Statistical Institute.
Leadership in Energy and Environmental Design | Rhode Island School of Design | design | Art Center College of Design | Ulm School of Design | industrial design | Cadence Design Systems | interior design | Vitra Design Museum | sound design | Parsons The New School for Design | Harvard Graduate School of Design | Cooper-Hewitt, National Design Museum | Design | User interface design | Tibeto-Burman languages | Scenic design | Jonathan Wells (intelligent design advocate) | Interior design | Burman | Beaux-Arts Institute of Design | Architectural design competition | The Free Design | One-Design | National Institute of Design | Museum of Arts and Design | Moholy-Nagy University of Art and Design | Minneapolis College of Art and Design | Fashion design | computer-aided design |