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Multivariate data analysis in industrial practice
Lewi, Paul J., (1982)
Graphical Exploration of Gene Expression Data: A Comparative Study of Three Multivariate Methods
Wouters, Luc, (2003)
Rejoinder to Use of Principal Component Analysis and the GE -Biplot for the Graphical Exploration of Gene Expression Data
Wouters, Luc, (2005)