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http://dx.doi.org/10.5351/CKSS.2005.12.3.705

MANCOVA Biplot  

Choi Yong-Seok (Department of Statistics, Pusan University)
Hyun Gee Hong (Department of Statistics, Pusan University)
Jung Su Mi (Department of Statistics, Pusan University)
Publication Information
Communications for Statistical Applications and Methods / v.12, no.3, 2005 , pp. 705-712 More about this Journal
Abstract
Biplot is a graphical display of the rows and columns of an n${\times}$p data matrix. In particular, Gabriel (1995) suggested the MANOVA biplot using singular value decomposition (SVD) with the averages of response variables according to treatment groups. But his biplot may cause wrong results by disregarding them when there exist covariate effects. In this paper, we will provide the MANCOA biplot based on the SVD with the parameter estimates for MANCOVA model when there exist covariate effects.
Keywords
Covariates; Biplot; MANOVA; MANCOVA; SVD;
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