Sessions and Invited Lectures

The technical program contains:

OPENING SESSION by John Aitchison (University of Glasgow, UK)
INVITED LECTURE by Dean Billheimer (Vanderbilt University, USA)
INVITED LECTURE by Gerald van der Boogaart (Universität Greifwald)

Session 1: Theoretical advances in compositional data analysis.

Session 2: Applications to Geology and Environmental science

Session 3: Applications to Economy and Social sciences

Session 4: Other fields of application.

Session 5: Desing of teaching and computing tools.

Round table: Present and future of compositional data analysis.

Detailed technical program


Wednesday, October 19

 

9:00h-9:30h

Registration

 

9:30h-10:30h

Opening Session: Some last thoughts on compositional data analysis,   
J. Aitchison

 

10:30h-11:00h

Coffee Break

 

11:00h-13:30

Session: Theoretical Advances in compositional data analysis

Chairs: J.A. Martín-Fernández and R. Tolosana

 

 

11:00h-11:25h

Coda-dendrogram: A new exploratory tool

Egozcue, J.J. and Pawlowsky-Glahn, V.

 

 

11:25h-11:50h

alr approach for replacing values below the detection limit
Palarea-Albaladejo, J., Martín-Fernández, J.A. and Gómez-García, J.

 

 

11:50h-12:15h

A tale of two logits, compositional data analysis and zero observations

Fry, T.R.L. and Chong, D.

 

 

12:15h-12:40h

Analysing shapes as compositions of distances

van den Boogaart, K. G.

 

 

12:40h-13:05h

Spatial analysis of cell composition data

Agterberg, F.

 

 

13:05h-13:30h

The Dirichet distribution with respect to the Aitchison measure on the simplex – a first approach

Mateu-Figueras, G. and Pawlowsky-Glahn, V.

 

13:30h-15:00h

Lunch time

 

15:00h-16:45h

Session: Theoretical Advances in compositional data analysis

Chairs: J.A. Martín-Fernández and R. Tolosana

 

 

15:00h-15:25h

Comparing correspondence analysis and the log-ratio approach for representing categorical data

Cuadras, C.M. , Cuadras, D. and Greenacre, M.

 

 

15:25h-15:50h

Weighted logratio biplots, correspondence analysis and spectral maps

Greenacre, M. and Lewi, P.

 

 

15:50h-16:15h

Conditional compositional biplots: theory and applications

Aitchison, J. and Ng, K.W.

 

 

16:15h-16:45h

Discussion

 

16:45h-17:15h

Coffee Break

 

17:15h-18:15h

Invited lecture: Aitchison geometry for probability and likelihood as a new approach to mathematical statistics, K. G. van der Boogaart

 

18:15

Welcome reception

 


Thursday, October 20

9:00h-10:40h

Session: Applications to Geology and Environmental Science

Chairs: N. Otero and H. von Eynatten

 

9:00h-9:25h

A compositional approach to stable isotope data analysis

Tolosana-Delgado, R., Otero, N. and Soler, A.

 

9:25h-9:50h

Thermodynamics and log-contrasts analysis in fluid geochemistry

Buccianti, A.; Nisi, B. and Vaselli, O.

 

9:50h-10:15h

Interactions between grain size and composition of sediments: two examples

von Eynatten, H., Tolosana-Delgado, R, Triebold, S. and Zack, T.

 

10:15h-10:40h

Application of discriminant function analysis and change-point problem in dating volcanic ashes

Lee Bik Wa, A. and Bacon-Shone, J.

10:40h-11:10h

Coffee Break

11:10h-13:30h

Session: Applications to Geology and Environmental Science

Chairs: N. Otero and H. von Eynatten

 

11:10h-11:35h

The chemical variability at the surface of Mars: implications for exogenic processes

Kolb, C., Martín-Fernández, J. A., Abart, R., Lammer, H., Thió-Henestrosa, S. and Pawlowsky-Glahn, V.

 

11:35h-12:00h

Convex linear combination processes for compositions

Bacon-Shone, J.

 

12:00h-12:25h

Meaning of the lambda parameter of skew-normal and log-skew normal distribution in fluid geochemistry

Buccianti, A.

 

12:25h-12:50h

Statistical analysis of eco-toxicologic data of mammals from a polluted area

Sánchez-Chardi, A., López-Fuster, M. J. and Egozcue, J. J.

 

12:50h-13:15h

Comparison studies of tin deposits (Priamurye, Russia) using the Aitchison's methodology

Gorelikova, N., Barceló-Vidal, C. and Korostelev, P.

 

13:15h-13:45h

Discussion

13:45h-15:00h

Lunch time

15:00h-16:00h

Invited lecture: Compositional data in biomedical research,

D. Billheimer

16:00h-16:30h

Coffee Break

16:30h-18:30h

Session: Other fields of Application

Chairs: M. Baxter and J. Buxeda

 

16:30h-16:55h

Interpretation of wind components as compositional variables.

Buenestado-Caballero, P., Jarauta-Bragulat, E. and Hervada-Sala, C.

 

16:55h-17:20h

Compositional analysis of archaeological glasses

Baxter, M.J., Beardah, M.J. and Freestone, I.C.

 

17:20h-17:45h

Grain size analyses in tin-lead glazes based on 2D-sections

Schwedt, A., Buxeda, J. and Madrid, M.

 

17:45h-18:30h

Benchmark problems and discussion


Friday, October 21

9:00h-10:40h

Session: Design of teaching and computing tools 

Chairs: M. Bren and S. Thió-Henestrosa

 

9:00h-9:25h

New features of CoDaPack. An userfriendly compositional data package

Thió-Henestrosa, S., Tolosana-Delgado, R. and Gómez, O.

 

9:25h-9:50h

A compositional data analysis package for R providing multiple approaches

van den Boogaart, K. G. and Tolosana-Delgado, R.

 

9:50h-10:15h

An R library for compositional data analysis in Archaeometry

Beardah, C.C. and Baxter, M.J.

 

10:15h-10:40h

Compositional data analysis with R

Bren, M. and Batagelj, V.

10:40-11:10

Coffee Break

11:10h-13:30h

Session: Applications to Economy and Social Sciences

Chairs: H. Burger and J. Daunis-i-Estadella

 

11:10h-11:35h

Regression analysis of compositional data when both the dependent variable and independent variable are components

van der Ark, L. A.

 

11:35h-12:00h

Assessing the precision of compositional data in a stratified double stage cluster sample: application to the Swiss earnings structure survey

Graf, M.

 

12:00h-12:25h

Compositional data analysis of vote shares in the 2001 Australian Federal election

Chong, D., Fry, T.R.L., Davidson, S. and Farrell, L.

 

12:25h-12:50h

Searching for consensus in AHP-group decision making. A Bayesian perspective

Altuzarra, A., Moreno-Jiménez, J.Mª and Salvador, M.

 

12:50h-13:15h

Group preference structures in AHP-group decision making

Moreno-Jiménez, J. Mª, Salvador, M. and Turón A.

 

13:15h-13:45h

Discussion

13:45h-15:00h

Lunch time

15:00h-16:30h

Round Table: Present and future of compositional data analysis

Chairs: J.J. Egozcue and A. Buccianti

16:30h-19:00h

Excursion (Girona and its legends)

21:00h

Dinner