PCA for Data Science
T. Aluja, A. Morineau, G. Sanchez
I Preface
PCA4DS
From “L’Analyse des Données” to Data Science
Terminology
II Introduction
1 Basic Elements
III Mechanics
2 How Does PCA Work?
IV Practice
3 Analysis
V Examples
4 Application Examples
VI Appendix
5 Appendix A: Fundamentals
6 Appendix B: PCA Formulae
7 Appendix C: Data Analysis Reminder
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Principal Component Analysis for Data Science (pca4ds)

5 Appendix A: Fundamentals

In this appendix we discuss some fundamental notions that will allow us to provide a geometrical development of Principal Component Analysis.