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Number of visits: 57766



Wednesday, May 11th

09:00 - 11:00
TECHNICAL SESSIONS
Descriptive Methods I WeM1
Room: Auditorium
Chair: Juan José Egozcue
Invited Lecture
Compositional Data, Bayesian Inference and the Modeling Process

J. Bacon-Shone


Use of Survey Weights for the Analysis of Compositional Data: Some Simulation Results
M. Graf


Unmixing Compositional data with Bayesian Techniques
R. Tolosana-Delgado


Could CODA Methodology be Useful in Control Chart Techniques?
M. Vives-Mestres, J. Daunis-i-Estadella, J.A. Martín-Fernández




11:00 - 11:30
Coffee-break

11:30 - 13:30
TECHNICAL SESSIONS
Descriptive Methods II WeM2
Room: Auditorium
Chair: Michael Greenacre
Two More Things about Compositional Biplots: Quality of Projection and Inclusion of Supplementary Elements
J. Daunis-i-Estadella, S. Thió-Henestrosa, G. Mateu-Figueras


Applying compositions and fuzzy compositions in Decision-making
J. Talasova, O. Pavlacka


Principal Balances
V. Pawlowsky-Glahn, J.J. Egozcue, R. Tolosana-Delgado


Morphometrics and Compositional Classes. The Stuy of Anthropomorphic Sculptures from Teotihuacan (México)
J. Buxeda i Garrigós, A. Vilallonga Gordaliza


Three-way Compositional Data Analysis
M. Gallo


Graphing and Communicating Compositional Data in High Dimensions (poster)
H.-F Ulbrich


Compositional Classes and Diversity in Archaeological Ceramic Studies (poster)
J. Buxeda i Garrigós


Pluviometric Regionalization of Catalunya: a Compositional Data Methodology (poster)
J. Gibergans-Báguena, M.I. Ortego, R. Tolosana-Delgado




13:30 - 15:00
Lunch

15:00 - 16:30
TECHNICAL SESSIONS
Populations WeA1
Room: Auditorium
Chair: Jose Antoni Martin-Fernandez
Modelling Cohort Seasonal Mortality Effects in a Compositional Framework
J. Oeppen


Approaching predator-prey Lotka-Volterra Equations by Simplicial Linear Differential Equations
E. Jarauta-Bragulat, J.J. Egozcue


Statistical inference for Hardy-Weinberg Equilibrium using Log-ratio Coordinates
J. Graffelman


Practical Aspects of Compositional Data Analysis using Regional Geochemical Survey Data (poster)
E. Grunsky


Tests for Identifying the Unchanging Reference Component of Compositional Data using the Properties of the Coefficient of Variaiton (poster)
T. Ohta, H. Arai, A. Noda


Testing Water Pollution in a Two Layer Aquifer (poster)
M. García-León, J. Lin


Compositional Data Analysis as a Potential Tool to Study the (Paleo)ecology of Calcareous Nannoplankton from the Central Portuguese Submarine Canyons(W off Portugal) (poster)
C. Guerreiro, M. Cachão, H. De Stigter, A. Oliveira, A. Rodrigues




16:30 - 17:00
Cofee-break

17:00 - 19:00
TECHNICAL SESSIONS
Geochemistry WeA2
Room: Auditorium
Chair: Vera Pawlowsky-Glahn
Geochemistry Versus Grain-size Relations of Sediments in the Light of comminution, chemical alteration, and contrasting source rocks
H. von Eynatten, R. Tolosana-Delgado


Modeling Composition of Ca-Fe-Mg Carbonates in a Natural CO2 Reservoir
G. Bicocchi, G. Montegrossi, G. Ruggieri, A. Buccianti, O. Vaselli


Source Apportionment of Atmospheric Trace Gases and Particulate Matter: Comparison of Log-ratio and Traditional Approaches
M. Engle, J. Martín-Fernández, N. Geboy, R. Olea, B. Peucker-Ehrenbrink, A. Kolker, D. Krabbenhoft, P. Lamothe, M. Bothner, M. Tate


The Stoichiometry of Mineral Compositions
E. Grunsky, J. Bacon-Shone


Self-consistent Modelling of Mercury’s Surface Composition and Exosphere by Solar Wind Sputtering
H. Lammer, M. Pleger, P. Wurz, J.A. Martínez- Fernández, H.I. Lichtenegger, M.L. Khodachenko


Ordinary Cokriging of Additive Log-Ratios for Estimating Grades in Iron Ore Deposits
M.N. M. Boezio, J.F. C. L. Costa, J.C. Koppe




Thursday, May 12th

09:00 - 11:00
TECHNICAL SESSIONS
Theoretical Issues ThM1
Room: Auditorium
Chair: Monique Graf
Special Lecture
Statistical Modelling of Compositional Problems Involving Finite Probability Distributions

J. Aitchison


Evidence Information in Bayesian Updating
J.J. Egozcue, V. Pawlowsky-Glahn


Compositional Loess Modelling
J. Bergman, B. Holmquist


Orthogonal Regression for Three-part Compositional Data Via Linear Model with Type-II Constraints
E. Fiserova, K. Hron


Interpretation of Orthonormal Coordinates in Case of Three-part Compositions Applied to Orthogonal Regression for Compositional Data (poster)
S. Donevska, E. Fišerová, K. Hron


Compositional Random Data: a Routine for CoDaPack (poster)
M. Comas, G. Mateu-Figueras, S. Thió-Henestrosa


The shifted-scaled Dirichlet Distribution in the Simplex (poster)
G.S. Monti, G. Mateu-Figueras, V. Pawlowsky-Glahn, J.J. Egozcue


Non-detect Bootstrap Method for Estimating Distributional Parameters of Compositional Samples Revisited: a Multivariate Approach (poster)
J. Palarea-Albaladejo, J.A. Martín-Fernández, R.A. Olea




11:00 - 11:30
Coffee-break

11:30 - 13:30
TECHNICAL SESSIONS
Transformations/Software ThM2
Room: Auditorium
Chair: K. Gerald van den Boogaart
Properties of a Square Root Transformation Regression Model
J. Scealy, A. Welsh


Multivariate Association of Compositional Data Matrices with Applications in Comparing Hyperspectral Images
C. M Cuadras, S. Valero


A data-based Power Transformation for Compositional Data
M. Tsagris, S. Preston, A. T.A.Wood


Measuring Subcompositional Incoherence
M. Greenacre


Analyis of Compositional Data using Robust Methods. The R-package robCompositons(software)
M. Templ, P. Filzmoser, K. Hron


CoDaPack 2.0: a stand-alone, Multi-platform Compositional Software (software)
M. Comas, S. Thió-Henestrosa


Compositional Data Analysis with Red-R(software)
S.E. Parent, K.R. Covington




13:30 - 15:00
Lunch


Friday, May 13th

09:00 - 11:00
TECHNICAL SESSIONS
Zeroes and missings FrM1
Room: Auditorium
Chair: Raimon Tolosana-Delgado
Invited Lecture
Robust Compositional Data Analysis

P. Filzmoser, K. Hron, M. Templ


The Compositional Meaning of a Detection Limit
K.G. van den Boogaart, R. Tolosana-Delgado, M. Bren


An EM-Algorithm Based Method to Deal with Rounded Zeros in Compositional Data under Dirichlet Models
R. Hijazi


Classical and Robust Imputation of Missing Values for Compositional Data using Balances
K. Hron, M. Templ, P. Filzmoser




11:00 - 11:30
Coffee-break

11:30 - 13:30
TECHNICAL SESSIONS
Ecology and Biology I FrM2
Room: Auditorium
Chair: Carles M. Cuadras
Analysis of Fossil Planktonic Foraminifera: The Sieve Mesh Effect
V. Di Donato, J.A. Martín-Fernández, J. Daunis-i-Estadella, P. Esposito


Examining Indices of Individual-level Resource Specialization
J.A. Martín-Fernández, M.E. Pierotti, C. Barceló-Vidal


Phytoplankton Composition in Shallow Water Ecosystems: Influence of Environmental Gradients and Nutrient Availability
R. López-Flores, A.M. Romaní, X. Quintana


Exploratory Data Analysis for Fatty Acid composition in Pig Meat
R. Ros, J. Reixach, M. Tor, J. Estany


Fractal and Compositional Analysis of Soil Aggregation
L.E. Parent, J.J. Egozcue, S-E Parent, T Kätterer, J.J. Egozcue


Compositional analysis of phosphorus pools in Canadian Mollisols (poster)
D. Abdi, N. Ziadi, L-É. Parent


Compositional Meta-analysis of Citrus Varieties in the State of São Paulo, Brazil (poster)
D.E. Rozanne, D. de Mattos Junior, S.E. Parent, W. Natale, L.E. Parent




13:30 - 15:00
Lunch

15:00 - 16:30
TECHNICAL SESSIONS
Ecology and Biology II FrA1
Room: Auditorium
Chair: Xavier Quintana
Application of Compositional Models for Glycan HPLC Data
M. Galligan, M.P. Campbell, R. Saldova, P.M. Rudd, T.B. Murphy


Compositional Meta-analysis of the Nutrient Profile of Potato Cultivars
A. Hernandes, S.E. Parent, J.P. Veillette, P. Parent, M. Leblanc, G. Roy, P. Sylvestre, N. Samson, W. Natale, L.E. Parent


Compositional Analysis of Correlation of Weather Parameters with Russet of ‘Golden Delicious‘ Apples
C. Barceló-Vidal, J. Bonany, J. Carbó


A Compositional Genetic Analysis of Oleic Acid Content in Pig Meat
J. Estany, R. Ros, M. Tor, J. Reixach




16:30 - 17:00
Coffee-break

17:00 - 19:00
TECHNICAL SESSIONS
Special Meeting AMyC FrA2
Room: Auditorium
Chair: to be confirmed