===== 10 - Exploratory Methods ======

March 23rd, 2010 : PCA \\
March 25th, 2010 : CA, MCA


=== Slides ===

[[cos424>slides/10-pca.pdf|PDF]] [[cos424>slides/10-pca.djvu|DJVU]]   

=== Scribe Notes ===

   * March 23rd: FIXME
   * March 25th: [[cos424>slides/10-notes-tzeneva.pdf|Tzvetelina Tzeneva]]


=== Summary ===

   * Principal Component Analysis
   * Correspondence Analysis
   * Multiple Correspondence Analysis
   * Application example: Semiometry

=== Optional Readings ===

The publication page of [[http://www.utdallas.edu/~herve|Hervé Abdi]] 
contains several well written reviews with useful references.

   * Hervé Abdi and Lynne J. Williams: [[http://www.utdallas.edu/~herve/abdi-wireCS-PCA2010-inpress.pdf|Principal Component Analysis]].
   * Hervé Abdi and Lynne J. Williams: [[http://www.utdallas.edu/~herve/abdi-CorrespondenceAnaysis2010-pretty.pdf|Correspondence Analysis]].
   * Hervé Abdi and Dominique Valentin: [[http://www.utdallas.edu/~herve/Abdi-MCA2007-pretty.pdf|Multiple Correspondence Analysis]]. 

The german marketing company TMS Emnid proposes a case study to promote its semiometrie product line.\\
This can be instructive to get a feeling of these marketing practices.

   * TMS Emnid: //[[http://www.tns-emnid.com/marketing_loesungen/semiometrie/euro-tracker-panel/Semiometrie-Eurotracker_Case-Study.pdf|Semiometrie: Case Study "Absolut Vodka"]]//.  


=== Books ===

   * B. Le Roux and H. Rouanet: //Multiple Correspondence Analysis//, SAGE Publications, Inc, 2010.
   * B. Le Roux and H. Rouanet: //Geometric Data Analysis, From Correspondence Analysis to Structured Data Analysis//. Kluwer, 2004.
   * F. Murtagh: //Correspondence Analysis and Data Coding with Java and R//. Chapman & Hall, 2005.