**C. Chemometrics software list**

	- Infometrix, Inc., developer of Pirouette, InStep and LineUp packages for multivariate data analysis. We specialize in integrating chemometrics into analytical instruments and process systems. (http://www.infometrix.com/)

PCA: The Basic Building Block of Chemometrics 39

**Author details** 

Christophe B.Y. Cordella

**Acknowledgments** 

data used in this chapter.

**6. References** 

(1), 115-127.

1154-1159.

1995, 67, (1), 77-84.

354, (3), 327-332.

(7), 1751-1755.

*Laboratoire de Chimie Analytique, Paris, France* 

*Brewing Chemists* 2001, 59, (4), 147-156.

*Chemistry* 1995, 43, (1), 109-113.

*Chemistry* 1996, 44, (8), 2225-2230.

*UMR1145 INRA/AgroParisTech, Institut National de la Recherche Agronomique,* 

I thank Dr Dominique Bertrand (INRA Nantes, France) for proofreading and advice about the PCA and for his availability. I also thank my students who have provided much of the

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