1. STRATA (GUI) a Graphical User Interface to Process Complex Categorical Data Bases. Paper Presented to the 9 th Meeting of the Thematic Group on Complexity and Planning Self Organizing and Spatial Planning AESOP and YILDIZ University Istanbul April 29 th and 30 th 2011 by Murat Güvenç Center for Urban Studies İstanbul Şehir University hmguvenc@gmail.com

2. Contents 1.Introduction Representation of Complex Categorical Data relevancy and the historical development of the problem: an historical overview 2.Introduction to S T R A T A (GUI) 3.Applications Examples

10. 187 columns 188 rows Original Input Data Interaction Matrix

13. Reduced and Re-ordered Matrices Depicting Distinctive Components of International Migration Fields Permuted Matrix Depicting Distinctive Departure and Arrival Profile (Absolute Number)

14. Reduced and Re-ordered Matrices Depicting Distinctive Components of International Migration Fields Signed Chi Square Index Table of the Permuted Matrix

15. Reduced and Re-ordered Matrices Depicting Distinctive Components of International Migration Fields Departure Profiles from Distinctive Origins (%)

16. Reduced and Re-ordered Matrices Depicting Distinctive Components of International Migration Fields Arrival Profiles at Distinctive Destinations (%)

17. Bertin Graphic

18. Map Display