Talk:Fractional factorial design

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Context Needed[edit]

This article needs going over and context added. For example, it talks about "case III" and "resolution III, IV, and V" without any indication as to what these terms mean. -- 21:03, 27 January 2007 (UTC)

effect multiplication needs explaining[edit]

This concept is crucial to understanding what a defining relation is and how it is derived. But it is not explained (how does D=A*B imply I=ABD?). I have done some tweaks in other ways but may revisit this soon. Feel free to beat me to it. Baccyak4H (Yak!) 17:13, 23 August 2007 (UTC)