This article may be accessed (additional fees may apply) at: http://links.jstor.org/sici?sici=0003-1305(198505)39%3A2%3C104%3AAGDOOC%3E2.0.CO%3B2-B#abstract A geometric description of contrasts in one-way analysis of variance is given that provides a reason for the special status of those linear combinations of treatment group means in which the coefficients sum to zero. Geometry is also used to clarify the concept of orthogonal contrasts.
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Schey, Harry, "A Geometric Description of Orthogonal Contrasts in One-Way Analysis of Variance" (1985). American Statistical Association (ASA): American Statistician, vol. 39 (N2), 104-106. Accessed from
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