minimal confounding also orthogonality provides minimum variance estimates model coefficient uncorrelated ''rotatability'' property rotating points design center factor space moments distribution design points constant ''uniformity '' third property ccd designs used control number center points uniform precision uniformity special geometries cube cubic designs discussed kiefer atkinson donev tobias hardin sloane sphere spherical designs discussed kiefer hardin sloane simplex geometry mixture
Applied science Library and museum studies Statistics Response Surface Methodology