A method to construct simultaneous confidence intervals about the difference in mean responses at the stationary point and at x for all x within a sphere with radius I R is proposed. Results of an efficiency study to compare the new method and the existing method by Moore and Sa (1999) are provided.
Miller, Laura K. and Sa, Ping
"Improved Multiple Comparisons With The Best In Response Surface Methodology,"
Journal of Modern Applied Statistical Methods: Vol. 2
, Article 26.
Available at: http://digitalcommons.wayne.edu/jmasm/vol2/iss1/26