Santi

Compositional Data Analysis Workshop
15-17 October 2003

Sponsored by
Geologische Vereinigung

Santi

Santi

Index

Organisers

Programme, Proceedings and Presentations

Organisers

Honorary Chair:

John Aitchison

Workshop Chairs:

Vera Pawlowlsky-Glahn
Carles Barceló-Vidal

International scientific committee:

       Chair: Josep A. Martin-Fernández (UdG)
                                    Michael J. Baxter (Nottingham Trent University)
                                    Antonella Buccianti (U. Studi di Firenze)
                                   Jaume Buxeda (Universitat de Barcelona)
                                    Juan José Egozcue (Universitat Politècnica de Catalunya)
                                    Hilmar von Eynatten (Universität Göttingen)
                                   Heinz Burger (F. U. Berlin)

   Local organizing committee:

       Chair: Santiago Thió-Henestrosa (UdG)
                                    Josep Daunis-i-Estadella (UdG)
                                    Glòria Mateu-Figueras (UdG)
                                    Raimon Tolosana-Delgado (UdG)

   Workshop secretariat:

                        CoDaWork'03 - workshop Secretary
                        Fundació Universitat de Girona: Innovació I Formació
                        Plaça Jordi de Sant Jordi, 1
                        17001 - Girona
                        SPAIN
                        Tel: +34 972 21 02 99
                        Fax: +34 972 22 34 54
                        Email: info.fundacio@udg.es

Web site of Girona Compositional Data Analysis Group: http://ima.udg.edu/Recerca/EIO/inici_eng.html

Programme

October 15 - Wednesday	9-9:30h.	Registration
	9:30-10:30h	Opening Session: Lecture by John Aitchison
	10:30-11h	Coffee break
	11-13:30h	Session 1 : Geometry and Statistics in the Simplex Chairs: V. Pawlowsky-Glahn & J.J. Egozcue
	13:30-15h	Lunch time
	15-17h	Session 2: Zero Replacement Strategies Chairs: J. A. Martín-Fernández & G. Mateu-Figueras
	18h	Girona promenade
October 16 - Thursday	9-10h	Invited Lecture by John C. Davis (IAMG Distinguished Lecturer)
	10-10:30h	Coffee break
	10:30-11:30h	Session 3: Design of Teaching and Computing Tools Chairs: S. Thió-Henestrosa & C. Barceló-Vidal
	11:30-13:30h	Session 4: Applications to Archeometry Chairs: M. J. Baxter & J. Buxeda
	13:30-15h	Lunch time
	15-16:45h	Session 5a: Applications to Geology and Environment Chairs: H. von Eynatten & A. Buccianti
	16:45-17:15h	Coffee break
	17:15-19h	Session 5b: Applications to Geology and Environment Chairs: H. von Eynatten & A. Buccianti
October 17 - Friday	9-11h	Session 6a : Other fields of application Chairs: H. Burger, J. Daunis-i-Estadella & R. Tolosana-Delgado
	11-11:30h	Coffee break
	11:30-14h	Session 6b : Other fields of application Chairs: H. Burger, J. Daunis-i-Estadella & R. Tolosana-Delgado
	14-15:30h	Lunch time
	15:30h	Excursion and Dinner

Proceedings

Invited lectures

Aitchison, J. "Compositional Data Analysis: where are we and where should we be heading?"

Davis, J.C. "Geochemical Data and How to Map It"

Session 1 : Geometry and Statistics in the Simplex
Chairs: V. Pawlowsky-Glahn & J.J. Egozcue

Pawlowsky-Glahn, V. "Statistical modeling on coordinates"

Mateu-Figueras, G., Pawlowsky-Glahn, V. and Barceló-Vidal, C. "Distributions on the simplex"

Barceló-Vidal, C. "When a data set can be considered compositional"

Egozcue, J.J. and Díaz-Barrero, J.L. "Hilbert space of probability density functions with Aitchison geometry"

Session 2: Zero Replacement Strategies
Chairs: J. A. Martín-Fernández & G. Mateu-Figueras

Aitchison, J. and Kay, J.W. "Possible solutions of some essential zero problems in compositional data analysis"

Bacon-Shone, J. "Modelling structural zeros in compositional data"

Martin-Fernández, J.A., Palarea-Albaladejo, J. and Gómez-García, J. "Markov chain montecarlo method applied to rounding zeros of compositional data: first approach"

Session 3: Design of Teaching and Computing Tools
Chairs: S. Thió-Henestrosa & C. Barceló-Vidal

Bren, M. and Batagelj, V. "Compositional data analysis with R"

Thió-Henestrosa, S., Barceló-Vidal, C., Martin-Fernández, J.A. and Pawlowsky-Glahn, V. "CoDaPack. An Excel and Visual Basic based software od compositional data analysis. Current version and discussion for upcoming versions"

Session 4: Applications to Archeometry
Chairs: M. J. Baxter & J. Buxeda

Baxter, M.J., Beardah, C.C., Cool, H.E.M. and Jackson, C.M. "Compositional data analysis in archaeometry"

Buxeda, J. "Total variation and covariance structure in compositional data"

Baxter, M.J., Beardah, C.C., Cool, H.E.M. and Jackson, C.M. "Compositional data analysis of archaeological glass: problems and possible solutions"

Session 5: Applications to Geology and Environment
Chairs: H. von Eynatten & A. Buccianti

Buccianti, A., Vaselli, O., Nisi B., Minissale, A. and Tassi, F. "Monitoring procedures in environmental geochemistry and compositional data analysis theory"

Otero, N., Tolosana-Delgado, R. and Soler, A. "A factor analysis of hidrochemical composition of Llobregat river basin"

Buccianti, A., Vaselli, O.and Nisi B. "New insights on river water chemistry by using non-centred simplicial principal component analysis: a case study"

Tolosana-Delgado, R. and Pawlowsky-Glahn, V. "Kriging coordinates: what does that mean?"

Thomas, C.W. and Aitchison, J. "Exploration of geological variability and possible processes through the use of compositional data analysis: an example using scottish metamorphosed"

von Eynatten, H. "Towards a Quantitative Framework for Modelling the Composition of Clastic Sediments"

Martin-Fernández, J.A., Barceló-Vidal, C., Pawlowsky-Glahn, V., Kovács, L.Ó. and Kovács, G.P. "Major-element trends in cenozoic volcanites of Hungary"

Session 6 : Other fields of application
Chairs: H. Burger, J. Daunis-i-Estadella & R. Tolosana-Delgado

Aitchison, J. and Ng, K.W. "Compositional hypotheses of subcompositional stability and specific perturbation change and their testing"

Anyadike-Danes, M. "The allometry of non-employment. What can compositional data analysis tell us about labour market performance across the UK's regions?"

Gasparini, M. and Eisele, J. "Compositional ideas in the bayesian analysis of categorical data with application to dose finding clinical trials"

de Vries, A.L. "The agreement between ipsative and normative questionnaires using compositional data analysis techniques"

Rigau, J., Feixas, M. and Sbert, M. "Refinement criteria for global illumination using convex functions"

Gasparini, M. and Di Gaetano, C. "On the use of principal components in contemporary population genetics: a case study"

Larrosa, J.M. "A compositional statistical analysis of capital stock"

Riba, A. and Ginebra, J. "Alternative ways to estimate change points in multinomial sequences. Application to an authorship attribution problem"

Malpica, C. and Galindo, P. "Validation of order rank scales based on compositional data analysis: a proposal"

To send any comment or suggestion: santiago.thio@udg.es

last make up: February/2/2004