Biplots in Reduced-Rank Regression

C.J.F. ter Braak, C.W.N. Looman

Research output: Contribution to journalArticleAcademicpeer-review

79 Citations (Scopus)


Regression problems with a number of related response variables are typically analyzed by separate multiple regressions. This paper shows how these regressions can be visualized jointly in a biplot based on reduced-rank regression. Reduced-rank regression combines multiple regression and principal components analysis and can therefore be carried out with standard statistical packages. The proposed biplot highlights the major aspects of the regressions by displaying the least-squares approximation of fitted values, regression coefficients and associated t-ratios. The utility and interpretation of the reduced-rank regression biplot is demonstrated with an example using public health data that were previously analyzed by separate multiple regressions.
Original languageEnglish
Pages (from-to)983-1003
JournalBiometrical Journal
Issue number8
Publication statusPublished - 1994

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